638002804

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{3890261}}^1$

素因数の和:3890306

約数の個数: 12

約数和(自身を含む): 1143737028

約数和(自身を除く): 505734224

約数列:

[1, 2, 4, 41, 82, 164, 3890261, 7780522, 15561044, 159500701, 319001402, 638002804]

約数ペア:

[(1, 638002804), (2, 319001402), (4, 159500701), (41, 15561044), (82, 7780522), (164, 3890261)]