642912808

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{241}}^1\times {\mathrm{2399}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 1219680000

約数和(自身を除く): 576767192

約数列:

[1, 2, 4, 8, 139, 241, 278, 482, 556, 964, 1112, 1928, 2399, 4798, 9596, 19192, 33499, 66998, 133996, 267992, 333461, 578159, 666922, 1156318, 1333844, 2312636, 2667688, 4625272, 80364101, 160728202, 321456404, 642912808]

約数ペア:

[(1, 642912808), (2, 321456404), (4, 160728202), (8, 80364101), (139, 4625272), (241, 2667688), (278, 2312636), (482, 1333844), (556, 1156318), (964, 666922), (1112, 578159), (1928, 333461), (2399, 267992), (4798, 133996), (9596, 66998), (19192, 33499)]