81639188

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{1913}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 146627712

約数和(自身を除く): 64988524

約数列:

[1, 2, 4, 47, 94, 188, 227, 454, 908, 1913, 3826, 7652, 10669, 21338, 42676, 89911, 179822, 359644, 434251, 868502, 1737004, 20409797, 40819594, 81639188]

約数ペア:

[(1, 81639188), (2, 40819594), (4, 20409797), (47, 1737004), (94, 868502), (188, 434251), (227, 359644), (454, 179822), (908, 89911), (1913, 42676), (3826, 21338), (7652, 10669)]