261686904

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{563}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 665159040

約数和(自身を除く): 403472136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 181, 214, 321, 362, 428, 543, 563, 642, 724, 856, 1086, 1126, 1284, 1448, 1689, 2172, 2252, 2568, 3378, 4344, 4504, 6756, 13512, 19367, 38734, 58101, 60241, 77468, 101903, 116202, 120482, 154936, 180723, 203806, 232404, 240964, 305709, 361446, 407612, 464808, 481928, 611418, 722892, 815224, 1222836, 1445784, 2445672, 10903621, 21807242, 32710863, 43614484, 65421726, 87228968, 130843452, 261686904]

約数ペア:

[(1, 261686904), (2, 130843452), (3, 87228968), (4, 65421726), (6, 43614484), (8, 32710863), (12, 21807242), (24, 10903621), (107, 2445672), (181, 1445784), (214, 1222836), (321, 815224), (362, 722892), (428, 611418), (543, 481928), (563, 464808), (642, 407612), (724, 361446), (856, 305709), (1086, 240964), (1126, 232404), (1284, 203806), (1448, 180723), (1689, 154936), (2172, 120482), (2252, 116202), (2568, 101903), (3378, 77468), (4344, 60241), (4504, 58101), (6756, 38734), (13512, 19367)]