12759290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 24053760

約数和(自身を除く): 11294470

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 521, 790, 1042, 2449, 2605, 4898, 5210, 12245, 16151, 24490, 32302, 41159, 80755, 82318, 161510, 205795, 411590, 1275929, 2551858, 6379645, 12759290]

約数ペア:

[(1, 12759290), (2, 6379645), (5, 2551858), (10, 1275929), (31, 411590), (62, 205795), (79, 161510), (155, 82318), (158, 80755), (310, 41159), (395, 32302), (521, 24490), (790, 16151), (1042, 12245), (2449, 5210), (2605, 4898)]