1581326630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{181553}}^1$

素因数の和:181640

約数の個数: 32

約数和(自身を含む): 3111109344

約数和(自身を除く): 1529782714

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 181553, 363106, 907765, 1815530, 2360189, 4720378, 11800945, 12164051, 23601890, 24328102, 60820255, 121640510, 158132663, 316265326, 790663315, 1581326630]

約数ペア:

[(1, 1581326630), (2, 790663315), (5, 316265326), (10, 158132663), (13, 121640510), (26, 60820255), (65, 24328102), (67, 23601890), (130, 12164051), (134, 11800945), (335, 4720378), (670, 2360189), (871, 1815530), (1742, 907765), (4355, 363106), (8710, 181553)]