15671890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4157}}^1$

素因数の和:4206

約数の個数: 32

約数和(自身を含む): 31434480

約数和(自身を除く): 15762590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 4157, 8314, 20785, 41570, 54041, 108082, 120553, 241106, 270205, 540410, 602765, 1205530, 1567189, 3134378, 7835945, 15671890]

約数ペア:

[(1, 15671890), (2, 7835945), (5, 3134378), (10, 1567189), (13, 1205530), (26, 602765), (29, 540410), (58, 270205), (65, 241106), (130, 120553), (145, 108082), (290, 54041), (377, 41570), (754, 20785), (1885, 8314), (3770, 4157)]