81318416

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1097}}^1$

素因数の和:1259

約数の個数: 40

約数和(自身を含む): 162973944

約数和(自身を除く): 81655528

約数列:

[1, 2, 4, 8, 16, 41, 82, 113, 164, 226, 328, 452, 656, 904, 1097, 1808, 2194, 4388, 4633, 8776, 9266, 17552, 18532, 37064, 44977, 74128, 89954, 123961, 179908, 247922, 359816, 495844, 719632, 991688, 1983376, 5082401, 10164802, 20329604, 40659208, 81318416]

約数ペア:

[(1, 81318416), (2, 40659208), (4, 20329604), (8, 10164802), (16, 5082401), (41, 1983376), (82, 991688), (113, 719632), (164, 495844), (226, 359816), (328, 247922), (452, 179908), (656, 123961), (904, 89954), (1097, 74128), (1808, 44977), (2194, 37064), (4388, 18532), (4633, 17552), (8776, 9266)]