209400978

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{308851}}^1$

素因数の和:308969

約数の個数: 16

約数和(自身を含む): 422509536

約数和(自身を除く): 213108558

約数列:

[1, 2, 3, 6, 113, 226, 339, 678, 308851, 617702, 926553, 1853106, 34900163, 69800326, 104700489, 209400978]

約数ペア:

[(1, 209400978), (2, 104700489), (3, 69800326), (6, 34900163), (113, 1853106), (226, 926553), (339, 617702), (678, 308851)]