639935604

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:747

約数の個数: 216

約数和(自身を含む): 2100693504

約数和(自身を除く): 1460757900

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 31, 33, 36, 42, 44, 62, 63, 66, 77, 84, 93, 99, 121, 124, 126, 132, 154, 186, 198, 217, 231, 242, 252, 279, 308, 341, 363, 372, 396, 434, 462, 484, 558, 651, 677, 682, 693, 726, 847, 868, 924, 1023, 1089, 1116, 1302, 1354, 1364, 1386, 1452, 1694, 1953, 2031, 2046, 2178, 2387, 2541, 2604, 2708, 2772, 3069, 3388, 3751, 3906, 4062, 4092, 4356, 4739, 4774, 5082, 6093, 6138, 7161, 7447, 7502, 7623, 7812, 8124, 9478, 9548, 10164, 11253, 12186, 12276, 14217, 14322, 14894, 15004, 15246, 18956, 20987, 21483, 22341, 22506, 24372, 26257, 28434, 28644, 29788, 30492, 33759, 41974, 42651, 42966, 44682, 45012, 52129, 52514, 56868, 62961, 67023, 67518, 78771, 81917, 83948, 85302, 85932, 89364, 104258, 105028, 125922, 134046, 135036, 146909, 156387, 157542, 163834, 170604, 188883, 208516, 230857, 236313, 245751, 251844, 268092, 293818, 312774, 315084, 327668, 377766, 440727, 461714, 469161, 472626, 491502, 573419, 587636, 625548, 692571, 737253, 755532, 881454, 923428, 938322, 945252, 983004, 1146838, 1322181, 1385142, 1474506, 1615999, 1720257, 1762908, 1876644, 2077713, 2293676, 2539427, 2644362, 2770284, 2949012, 3231998, 3440514, 4155426, 4847997, 5078854, 5160771, 5288724, 6463996, 6881028, 7618281, 8310852, 9695994, 10157708, 10321542, 14543991, 15236562, 17775989, 19391988, 20643084, 22854843, 29087982, 30473124, 35551978, 45709686, 53327967, 58175964, 71103956, 91419372, 106655934, 159983901, 213311868, 319967802, 639935604]

約数ペア:

[(1, 639935604), (2, 319967802), (3, 213311868), (4, 159983901), (6, 106655934), (7, 91419372), (9, 71103956), (11, 58175964), (12, 53327967), (14, 45709686), (18, 35551978), (21, 30473124), (22, 29087982), (28, 22854843), (31, 20643084), (33, 19391988), (36, 17775989), (42, 15236562), (44, 14543991), (62, 10321542), (63, 10157708), (66, 9695994), (77, 8310852), (84, 7618281), (93, 6881028), (99, 6463996), (121, 5288724), (124, 5160771), (126, 5078854), (132, 4847997), (154, 4155426), (186, 3440514), (198, 3231998), (217, 2949012), (231, 2770284), (242, 2644362), (252, 2539427), (279, 2293676), (308, 2077713), (341, 1876644), (363, 1762908), (372, 1720257), (396, 1615999), (434, 1474506), (462, 1385142), (484, 1322181), (558, 1146838), (651, 983004), (677, 945252), (682, 938322), (693, 923428), (726, 881454), (847, 755532), (868, 737253), (924, 692571), (1023, 625548), (1089, 587636), (1116, 573419), (1302, 491502), (1354, 472626), (1364, 469161), (1386, 461714), (1452, 440727), (1694, 377766), (1953, 327668), (2031, 315084), (2046, 312774), (2178, 293818), (2387, 268092), (2541, 251844), (2604, 245751), (2708, 236313), (2772, 230857), (3069, 208516), (3388, 188883), (3751, 170604), (3906, 163834), (4062, 157542), (4092, 156387), (4356, 146909), (4739, 135036), (4774, 134046), (5082, 125922), (6093, 105028), (6138, 104258), (7161, 89364), (7447, 85932), (7502, 85302), (7623, 83948), (7812, 81917), (8124, 78771), (9478, 67518), (9548, 67023), (10164, 62961), (11253, 56868), (12186, 52514), (12276, 52129), (14217, 45012), (14322, 44682), (14894, 42966), (15004, 42651), (15246, 41974), (18956, 33759), (20987, 30492), (21483, 29788), (22341, 28644), (22506, 28434), (24372, 26257)]