261617290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{12323}}^1$

素因数の和:12534

約数の個数: 32

約数和(自身を含む): 516424896

約数和(自身を除く): 254807606

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 965, 1930, 2123, 4246, 10615, 12323, 21230, 24646, 61615, 123230, 135553, 271106, 677765, 1355530, 2378339, 4756678, 11891695, 23783390, 26161729, 52323458, 130808645, 261617290]

約数ペア:

[(1, 261617290), (2, 130808645), (5, 52323458), (10, 26161729), (11, 23783390), (22, 11891695), (55, 4756678), (110, 2378339), (193, 1355530), (386, 677765), (965, 271106), (1930, 135553), (2123, 123230), (4246, 61615), (10615, 24646), (12323, 21230)]