208020475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{17299}}^1$

素因数の和:17359

約数の個数: 24

約数和(自身を含む): 285311600

約数和(自身を除く): 77291125

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 2405, 12025, 17299, 86495, 224887, 432475, 640063, 1124435, 3200315, 5622175, 8320819, 16001575, 41604095, 208020475]

約数ペア:

[(1, 208020475), (5, 41604095), (13, 16001575), (25, 8320819), (37, 5622175), (65, 3200315), (185, 1124435), (325, 640063), (481, 432475), (925, 224887), (2405, 86495), (12025, 17299)]