64536668

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 134400000

約数和(自身を除く): 69863332

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 149, 217, 298, 434, 499, 596, 868, 998, 1043, 1996, 2086, 3493, 4172, 4619, 6986, 9238, 13972, 15469, 18476, 30938, 32333, 61876, 64666, 74351, 108283, 129332, 148702, 216566, 297404, 433132, 520457, 1040914, 2081828, 2304881, 4609762, 9219524, 16134167, 32268334, 64536668]

約数ペア:

[(1, 64536668), (2, 32268334), (4, 16134167), (7, 9219524), (14, 4609762), (28, 2304881), (31, 2081828), (62, 1040914), (124, 520457), (149, 433132), (217, 297404), (298, 216566), (434, 148702), (499, 129332), (596, 108283), (868, 74351), (998, 64666), (1043, 61876), (1996, 32333), (2086, 30938), (3493, 18476), (4172, 15469), (4619, 13972), (6986, 9238)]