153939890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2953}}^1$

素因数の和:3374

約数の個数: 32

約数和(自身を含む): 299252016

約数和(自身を除く): 145312126

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 802, 2005, 2953, 4010, 5213, 5906, 10426, 14765, 26065, 29530, 38389, 52130, 76778, 191945, 383890, 1184153, 2368306, 5920765, 11841530, 15393989, 30787978, 76969945, 153939890]

約数ペア:

[(1, 153939890), (2, 76969945), (5, 30787978), (10, 15393989), (13, 11841530), (26, 5920765), (65, 2368306), (130, 1184153), (401, 383890), (802, 191945), (2005, 76778), (2953, 52130), (4010, 38389), (5213, 29530), (5906, 26065), (10426, 14765)]