81793910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1873}}^1$

素因数の和:2288

約数の個数: 32

約数和(自身を含む): 161104032

約数和(自身を除く): 79310122

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 397, 794, 1873, 1985, 3746, 3970, 4367, 8734, 9365, 18730, 20603, 21835, 41206, 43670, 103015, 206030, 743581, 1487162, 3717905, 7435810, 8179391, 16358782, 40896955, 81793910]

約数ペア:

[(1, 81793910), (2, 40896955), (5, 16358782), (10, 8179391), (11, 7435810), (22, 3717905), (55, 1487162), (110, 743581), (397, 206030), (794, 103015), (1873, 43670), (1985, 41206), (3746, 21835), (3970, 20603), (4367, 18730), (8734, 9365)]