279777712

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{160423}}^1$

素因数の和:160540

約数の個数: 20

約数和(自身を含む): 547045840

約数和(自身を除く): 267268128

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 160423, 320846, 641692, 1283384, 2566768, 17486107, 34972214, 69944428, 139888856, 279777712]

約数ペア:

[(1, 279777712), (2, 139888856), (4, 69944428), (8, 34972214), (16, 17486107), (109, 2566768), (218, 1283384), (436, 641692), (872, 320846), (1744, 160423)]