78733138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 132192000

約数和(自身を除く): 53458862

約数列:

[1, 2, 11, 22, 79, 89, 158, 178, 509, 869, 979, 1018, 1738, 1958, 5599, 7031, 11198, 14062, 40211, 45301, 77341, 80422, 90602, 154682, 442321, 498311, 884642, 996622, 3578779, 7157558, 39366569, 78733138]

約数ペア:

[(1, 78733138), (2, 39366569), (11, 7157558), (22, 3578779), (79, 996622), (89, 884642), (158, 498311), (178, 442321), (509, 154682), (869, 90602), (979, 80422), (1018, 77341), (1738, 45301), (1958, 40211), (5599, 14062), (7031, 11198)]