123431968

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20627}}^1$

素因数の和:20665

約数の個数: 48

約数和(自身を含む): 280705824

約数和(自身を除く): 157273856

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 5984, 20627, 41254, 82508, 165016, 226897, 330032, 350659, 453794, 660064, 701318, 907588, 1402636, 1815176, 2805272, 3630352, 3857249, 5610544, 7260704, 7714498, 11221088, 15428996, 30857992, 61715984, 123431968]

約数ペア:

[(1, 123431968), (2, 61715984), (4, 30857992), (8, 15428996), (11, 11221088), (16, 7714498), (17, 7260704), (22, 5610544), (32, 3857249), (34, 3630352), (44, 2805272), (68, 1815176), (88, 1402636), (136, 907588), (176, 701318), (187, 660064), (272, 453794), (352, 350659), (374, 330032), (544, 226897), (748, 165016), (1496, 82508), (2992, 41254), (5984, 20627)]