621186228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{69859}}^1$

素因数の和:69901

約数の個数: 72

約数和(自身を含む): 1780032800

約数和(自身を除く): 1158846572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 69859, 139718, 209577, 279436, 419154, 628731, 838308, 908167, 1257462, 1327321, 1816334, 2514924, 2654642, 2724501, 3632668, 3981963, 5309284, 5449002, 7963926, 8173503, 10898004, 11945889, 15927852, 16347006, 17255173, 23891778, 32694012, 34510346, 47783556, 51765519, 69020692, 103531038, 155296557, 207062076, 310593114, 621186228]

約数ペア:

[(1, 621186228), (2, 310593114), (3, 207062076), (4, 155296557), (6, 103531038), (9, 69020692), (12, 51765519), (13, 47783556), (18, 34510346), (19, 32694012), (26, 23891778), (36, 17255173), (38, 16347006), (39, 15927852), (52, 11945889), (57, 10898004), (76, 8173503), (78, 7963926), (114, 5449002), (117, 5309284), (156, 3981963), (171, 3632668), (228, 2724501), (234, 2654642), (247, 2514924), (342, 1816334), (468, 1327321), (494, 1257462), (684, 908167), (741, 838308), (988, 628731), (1482, 419154), (2223, 279436), (2964, 209577), (4446, 139718), (8892, 69859)]