7925390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 15729120

約数和(自身を除く): 7803730

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 661, 1090, 1199, 1322, 2398, 3305, 5995, 6610, 7271, 11990, 14542, 36355, 72049, 72710, 144098, 360245, 720490, 792539, 1585078, 3962695, 7925390]

約数ペア:

[(1, 7925390), (2, 3962695), (5, 1585078), (10, 792539), (11, 720490), (22, 360245), (55, 144098), (109, 72710), (110, 72049), (218, 36355), (545, 14542), (661, 11990), (1090, 7271), (1199, 6610), (1322, 5995), (2398, 3305)]