8557705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 11510856

約数和(自身を除く): 2953151

約数列:

[1, 5, 13, 31, 65, 137, 155, 403, 685, 961, 1781, 2015, 4247, 4805, 8905, 12493, 21235, 55211, 62465, 131657, 276055, 658285, 1711541, 8557705]

約数ペア:

[(1, 8557705), (5, 1711541), (13, 658285), (31, 276055), (65, 131657), (137, 62465), (155, 55211), (403, 21235), (685, 12493), (961, 8905), (1781, 4805), (2015, 4247)]