77291390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1669}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 152223840

約数和(自身を除く): 74932450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 842, 1669, 2105, 3338, 4210, 4631, 8345, 9262, 16690, 18359, 23155, 36718, 46310, 91795, 183590, 702649, 1405298, 3513245, 7026490, 7729139, 15458278, 38645695, 77291390]

約数ペア:

[(1, 77291390), (2, 38645695), (5, 15458278), (10, 7729139), (11, 7026490), (22, 3513245), (55, 1405298), (110, 702649), (421, 183590), (842, 91795), (1669, 46310), (2105, 36718), (3338, 23155), (4210, 18359), (4631, 16690), (8345, 9262)]