65511490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1531}}^1$

素因数の和:1938

約数の個数: 32

約数和(自身を含む): 129055680

約数和(自身を除く): 63544190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1531, 1945, 3062, 3890, 4279, 7655, 8558, 15310, 16841, 21395, 33682, 42790, 84205, 168410, 595559, 1191118, 2977795, 5955590, 6551149, 13102298, 32755745, 65511490]

約数ペア:

[(1, 65511490), (2, 32755745), (5, 13102298), (10, 6551149), (11, 5955590), (22, 2977795), (55, 1191118), (110, 595559), (389, 168410), (778, 84205), (1531, 42790), (1945, 33682), (3062, 21395), (3890, 16841), (4279, 15310), (7655, 8558)]