201477998

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{109}}^2\times {\mathrm{139}}^1$

素因数の和:420

約数の個数: 24

約数和(自身を含む): 312245640

約数和(自身を除く): 110767642

約数列:

[1, 2, 61, 109, 122, 139, 218, 278, 6649, 8479, 11881, 13298, 15151, 16958, 23762, 30302, 724741, 924211, 1449482, 1651459, 1848422, 3302918, 100738999, 201477998]

約数ペア:

[(1, 201477998), (2, 100738999), (61, 3302918), (109, 1848422), (122, 1651459), (139, 1449482), (218, 924211), (278, 724741), (6649, 30302), (8479, 23762), (11881, 16958), (13298, 15151)]