28718508

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:81

約数の個数: 162

約数和(自身を含む): 89664876

約数和(自身を除く): 60946368

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 49, 51, 52, 68, 78, 84, 91, 98, 102, 119, 147, 156, 169, 182, 196, 204, 221, 238, 273, 289, 294, 338, 357, 364, 442, 476, 507, 546, 578, 588, 637, 663, 676, 714, 833, 867, 884, 1014, 1092, 1156, 1183, 1274, 1326, 1428, 1547, 1666, 1734, 1911, 2023, 2028, 2366, 2499, 2548, 2652, 2873, 3094, 3332, 3468, 3549, 3757, 3822, 4046, 4641, 4732, 4998, 5746, 6069, 6188, 7098, 7514, 7644, 8092, 8281, 8619, 9282, 9996, 10829, 11271, 11492, 12138, 14161, 14196, 15028, 16562, 17238, 18564, 20111, 21658, 22542, 24276, 24843, 26299, 28322, 32487, 33124, 34476, 40222, 42483, 43316, 45084, 48841, 49686, 52598, 56644, 60333, 64974, 78897, 80444, 84966, 97682, 99372, 105196, 120666, 129948, 140777, 146523, 157794, 169932, 184093, 195364, 241332, 281554, 293046, 315588, 341887, 368186, 422331, 552279, 563108, 586092, 683774, 736372, 844662, 1025661, 1104558, 1367548, 1689324, 2051322, 2209116, 2393209, 4102644, 4786418, 7179627, 9572836, 14359254, 28718508]

約数ペア:

[(1, 28718508), (2, 14359254), (3, 9572836), (4, 7179627), (6, 4786418), (7, 4102644), (12, 2393209), (13, 2209116), (14, 2051322), (17, 1689324), (21, 1367548), (26, 1104558), (28, 1025661), (34, 844662), (39, 736372), (42, 683774), (49, 586092), (51, 563108), (52, 552279), (68, 422331), (78, 368186), (84, 341887), (91, 315588), (98, 293046), (102, 281554), (119, 241332), (147, 195364), (156, 184093), (169, 169932), (182, 157794), (196, 146523), (204, 140777), (221, 129948), (238, 120666), (273, 105196), (289, 99372), (294, 97682), (338, 84966), (357, 80444), (364, 78897), (442, 64974), (476, 60333), (507, 56644), (546, 52598), (578, 49686), (588, 48841), (637, 45084), (663, 43316), (676, 42483), (714, 40222), (833, 34476), (867, 33124), (884, 32487), (1014, 28322), (1092, 26299), (1156, 24843), (1183, 24276), (1274, 22542), (1326, 21658), (1428, 20111), (1547, 18564), (1666, 17238), (1734, 16562), (1911, 15028), (2023, 14196), (2028, 14161), (2366, 12138), (2499, 11492), (2548, 11271), (2652, 10829), (2873, 9996), (3094, 9282), (3332, 8619), (3468, 8281), (3549, 8092), (3757, 7644), (3822, 7514), (4046, 7098), (4641, 6188), (4732, 6069), (4998, 5746)]