1490992778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{220757}}^1$

素因数の和:221077

約数の個数: 16

約数和(自身を含む): 2447764704

約数和(自身を除く): 956771926

約数列:

[1, 2, 11, 22, 307, 614, 3377, 6754, 220757, 441514, 2428327, 4856654, 67772399, 135544798, 745496389, 1490992778]

約数ペア:

[(1, 1490992778), (2, 745496389), (11, 135544798), (22, 67772399), (307, 4856654), (614, 2428327), (3377, 441514), (6754, 220757)]