1291207684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{1553}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 2485405440

約数和(自身を除く): 1194197756

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 271, 542, 767, 1084, 1534, 1553, 3068, 3106, 3523, 6212, 7046, 14092, 15989, 20189, 31978, 40378, 63956, 80756, 91627, 183254, 207857, 366508, 415714, 420863, 831428, 841726, 1191151, 1683452, 2382302, 4764604, 5471219, 10942438, 21884876, 24830917, 49661834, 99323668, 322801921, 645603842, 1291207684]

約数ペア:

[(1, 1291207684), (2, 645603842), (4, 322801921), (13, 99323668), (26, 49661834), (52, 24830917), (59, 21884876), (118, 10942438), (236, 5471219), (271, 4764604), (542, 2382302), (767, 1683452), (1084, 1191151), (1534, 841726), (1553, 831428), (3068, 420863), (3106, 415714), (3523, 366508), (6212, 207857), (7046, 183254), (14092, 91627), (15989, 80756), (20189, 63956), (31978, 40378)]