291270258

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^2\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 72

約数和(自身を含む): 665248896

約数和(自身を除く): 373978638

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 71, 87, 142, 174, 213, 261, 271, 426, 522, 542, 639, 813, 841, 1278, 1626, 1682, 2059, 2439, 2523, 4118, 4878, 5046, 6177, 7569, 7859, 12354, 15138, 15718, 18531, 19241, 23577, 37062, 38482, 47154, 57723, 59711, 70731, 115446, 119422, 141462, 173169, 179133, 227911, 346338, 358266, 455822, 537399, 557989, 683733, 1074798, 1115978, 1367466, 1673967, 2051199, 3347934, 4102398, 5021901, 10043802, 16181681, 32363362, 48545043, 97090086, 145635129, 291270258]

約数ペア:

[(1, 291270258), (2, 145635129), (3, 97090086), (6, 48545043), (9, 32363362), (18, 16181681), (29, 10043802), (58, 5021901), (71, 4102398), (87, 3347934), (142, 2051199), (174, 1673967), (213, 1367466), (261, 1115978), (271, 1074798), (426, 683733), (522, 557989), (542, 537399), (639, 455822), (813, 358266), (841, 346338), (1278, 227911), (1626, 179133), (1682, 173169), (2059, 141462), (2439, 119422), (2523, 115446), (4118, 70731), (4878, 59711), (5046, 57723), (6177, 47154), (7569, 38482), (7859, 37062), (12354, 23577), (15138, 19241), (15718, 18531)]