12911128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 25344000

約数和(自身を除く): 12432872

約数列:

[1, 2, 4, 8, 31, 62, 79, 124, 158, 248, 316, 632, 659, 1318, 2449, 2636, 4898, 5272, 9796, 19592, 20429, 40858, 52061, 81716, 104122, 163432, 208244, 416488, 1613891, 3227782, 6455564, 12911128]

約数ペア:

[(1, 12911128), (2, 6455564), (4, 3227782), (8, 1613891), (31, 416488), (62, 208244), (79, 163432), (124, 104122), (158, 81716), (248, 52061), (316, 40858), (632, 20429), (659, 19592), (1318, 9796), (2449, 5272), (2636, 4898)]