1640694656

素因数分解:

$2^7\times {\mathrm{59}}^1\times {\mathrm{217253}}^1$

素因数の和:217326

約数の個数: 32

約数和(自身を含む): 3323986200

約数和(自身を除く): 1683291544

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 472, 944, 1888, 3776, 7552, 217253, 434506, 869012, 1738024, 3476048, 6952096, 12817927, 13904192, 25635854, 27808384, 51271708, 102543416, 205086832, 410173664, 820347328, 1640694656]

約数ペア:

[(1, 1640694656), (2, 820347328), (4, 410173664), (8, 205086832), (16, 102543416), (32, 51271708), (59, 27808384), (64, 25635854), (118, 13904192), (128, 12817927), (236, 6952096), (472, 3476048), (944, 1738024), (1888, 869012), (3776, 434506), (7552, 217253)]