About the Number

218681316

218681315 ← → 218681317

2進数表記:1101000010001100111111100100

漢数字表記:二億千八百六十八万千三百十六

素因数分解:

2 2 × 3 3 × 7 2 × 31 2 × 43 1

素因数の和:132
約数の個数: 216
約数和(自身を含む): 697324320
約数和(自身を除く): 478643004

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 43, 49, 54, 62, 63, 84, 86, 93, 98, 108, 124, 126, 129, 147, 172, 186, 189, 196, 217, 252, 258, 279, 294, 301, 372, 378, 387, 434, 441, 516, 558, 588, 602, 651, 756, 774, 837, 868, 882, 903, 961, 1116, 1161, 1204, 1302, 1323, 1333, 1519, 1548, 1674, 1764, 1806, 1922, 1953, 2107, 2322, 2604, 2646, 2666, 2709, 2883, 3038, 3348, 3612, 3844, 3906, 3999, 4214, 4557, 4644, 5292, 5332, 5418, 5766, 5859, 6076, 6321, 6727, 7812, 7998, 8127, 8428, 8649, 9114, 9331, 10836, 11532, 11718, 11997, 12642, 13454, 13671, 15996, 16254, 17298, 18228, 18662, 18963, 20181, 23436, 23994, 25284, 25947, 26908, 27342, 27993, 32508, 34596, 35991, 37324, 37926, 40362, 41013, 41323, 47089, 47988, 51894, 54684, 55986, 56889, 60543, 65317, 71982, 75852, 80724, 82026, 82646, 83979, 94178, 103788, 111972, 113778, 121086, 123969, 130634, 141267, 143964, 164052, 165292, 167958, 181629, 188356, 195951, 227556, 242172, 247938, 251937, 261268, 282534, 289261, 335916, 363258, 371907, 391902, 423801, 495876, 503874, 565068, 578522, 587853, 726516, 743814, 783804, 847602, 867783, 1007748, 1115721, 1157044, 1175706, 1271403, 1487628, 1695204, 1735566, 1763559, 2024827, 2231442, 2351412, 2542806, 2603349, 3471132, 3527118, 4049654, 4462884, 5085612, 5206698, 6074481, 7054236, 7810047, 8099308, 10413396, 12148962, 15620094, 18223443, 24297924, 31240188, 36446886, 54670329, 72893772, 109340658, 218681316]

約数ペア:
[(1, 218681316), (2, 109340658), (3, 72893772), (4, 54670329), (6, 36446886), (7, 31240188), (9, 24297924), (12, 18223443), (14, 15620094), (18, 12148962), (21, 10413396), (27, 8099308), (28, 7810047), (31, 7054236), (36, 6074481), (42, 5206698), (43, 5085612), (49, 4462884), (54, 4049654), (62, 3527118), (63, 3471132), (84, 2603349), (86, 2542806), (93, 2351412), (98, 2231442), (108, 2024827), (124, 1763559), (126, 1735566), (129, 1695204), (147, 1487628), (172, 1271403), (186, 1175706), (189, 1157044), (196, 1115721), (217, 1007748), (252, 867783), (258, 847602), (279, 783804), (294, 743814), (301, 726516), (372, 587853), (378, 578522), (387, 565068), (434, 503874), (441, 495876), (516, 423801), (558, 391902), (588, 371907), (602, 363258), (651, 335916), (756, 289261), (774, 282534), (837, 261268), (868, 251937), (882, 247938), (903, 242172), (961, 227556), (1116, 195951), (1161, 188356), (1204, 181629), (1302, 167958), (1323, 165292), (1333, 164052), (1519, 143964), (1548, 141267), (1674, 130634), (1764, 123969), (1806, 121086), (1922, 113778), (1953, 111972), (2107, 103788), (2322, 94178), (2604, 83979), (2646, 82646), (2666, 82026), (2709, 80724), (2883, 75852), (3038, 71982), (3348, 65317), (3612, 60543), (3844, 56889), (3906, 55986), (3999, 54684), (4214, 51894), (4557, 47988), (4644, 47089), (5292, 41323), (5332, 41013), (5418, 40362), (5766, 37926), (5859, 37324), (6076, 35991), (6321, 34596), (6727, 32508), (7812, 27993), (7998, 27342), (8127, 26908), (8428, 25947), (8649, 25284), (9114, 23994), (9331, 23436), (10836, 20181), (11532, 18963), (11718, 18662), (11997, 18228), (12642, 17298), (13454, 16254), (13671, 15996)]

このpageの処理時間: 0.011413097381591797 seconds