912890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 1843776

約数和(自身を除く): 930886

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 193, 215, 386, 430, 473, 946, 965, 1930, 2123, 2365, 4246, 4730, 8299, 10615, 16598, 21230, 41495, 82990, 91289, 182578, 456445, 912890]

約数ペア:

[(1, 912890), (2, 456445), (5, 182578), (10, 91289), (11, 82990), (22, 41495), (43, 21230), (55, 16598), (86, 10615), (110, 8299), (193, 4730), (215, 4246), (386, 2365), (430, 2123), (473, 1930), (946, 965)]