81165770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1163}}^1$

素因数の和:2174

約数の個数: 32

約数和(自身を含む): 167280768

約数和(自身を除く): 86114998

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 997, 1163, 1994, 2326, 4985, 5815, 6979, 8141, 9970, 11630, 13958, 16282, 34895, 40705, 69790, 81410, 1159511, 2319022, 5797555, 8116577, 11595110, 16233154, 40582885, 81165770]

約数ペア:

[(1, 81165770), (2, 40582885), (5, 16233154), (7, 11595110), (10, 8116577), (14, 5797555), (35, 2319022), (70, 1159511), (997, 81410), (1163, 69790), (1994, 40705), (2326, 34895), (4985, 16282), (5815, 13958), (6979, 11630), (8141, 9970)]