685286992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{106279}}^1$

素因数の和:106331

約数の個数: 40

約数和(自身を含む): 1476016640

約数和(自身を除く): 790729648

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 106279, 212558, 425116, 850232, 1381627, 1700464, 2763254, 3294649, 5526508, 6589298, 11053016, 13178596, 22106032, 26357192, 42830437, 52714384, 85660874, 171321748, 342643496, 685286992]

約数ペア:

[(1, 685286992), (2, 342643496), (4, 171321748), (8, 85660874), (13, 52714384), (16, 42830437), (26, 26357192), (31, 22106032), (52, 13178596), (62, 11053016), (104, 6589298), (124, 5526508), (208, 3294649), (248, 2763254), (403, 1700464), (496, 1381627), (806, 850232), (1612, 425116), (3224, 212558), (6448, 106279)]