81581566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 137313792

約数和(自身を除く): 55732226

約数列:

[1, 2, 11, 22, 47, 94, 257, 307, 514, 517, 614, 1034, 2827, 3377, 5654, 6754, 12079, 14429, 24158, 28858, 78899, 132869, 157798, 158719, 265738, 317438, 867889, 1735778, 3708253, 7416506, 40790783, 81581566]

約数ペア:

[(1, 81581566), (2, 40790783), (11, 7416506), (22, 3708253), (47, 1735778), (94, 867889), (257, 317438), (307, 265738), (514, 158719), (517, 157798), (614, 132869), (1034, 78899), (2827, 28858), (3377, 24158), (5654, 14429), (6754, 12079)]