12290915

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 19649952

約数和(自身を除く): 7359037

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 227, 245, 455, 595, 637, 833, 1105, 1135, 1547, 1589, 2951, 3185, 3859, 4165, 7735, 7945, 10829, 11123, 14755, 19295, 20657, 27013, 50167, 54145, 55615, 103285, 135065, 144599, 189091, 250835, 351169, 722995, 945455, 1755845, 2458183, 12290915]

約数ペア:

[(1, 12290915), (5, 2458183), (7, 1755845), (13, 945455), (17, 722995), (35, 351169), (49, 250835), (65, 189091), (85, 144599), (91, 135065), (119, 103285), (221, 55615), (227, 54145), (245, 50167), (455, 27013), (595, 20657), (637, 19295), (833, 14755), (1105, 11123), (1135, 10829), (1547, 7945), (1589, 7735), (2951, 4165), (3185, 3859)]