12989570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 12671230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 263, 449, 526, 898, 1315, 2245, 2630, 2893, 4490, 4939, 5786, 9878, 14465, 24695, 28930, 49390, 118087, 236174, 590435, 1180870, 1298957, 2597914, 6494785, 12989570]

約数ペア:

[(1, 12989570), (2, 6494785), (5, 2597914), (10, 1298957), (11, 1180870), (22, 590435), (55, 236174), (110, 118087), (263, 49390), (449, 28930), (526, 24695), (898, 14465), (1315, 9878), (2245, 5786), (2630, 4939), (2893, 4490)]