31960045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 43168608

約数和(自身を除く): 11208563

約数列:

[1, 5, 13, 37, 65, 97, 137, 185, 481, 485, 685, 1261, 1781, 2405, 3589, 5069, 6305, 8905, 13289, 17945, 25345, 46657, 65897, 66445, 172757, 233285, 329485, 491693, 863785, 2458465, 6392009, 31960045]

約数ペア:

[(1, 31960045), (5, 6392009), (13, 2458465), (37, 863785), (65, 491693), (97, 329485), (137, 233285), (185, 172757), (481, 66445), (485, 65897), (685, 46657), (1261, 25345), (1781, 17945), (2405, 13289), (3589, 8905), (5069, 6305)]