128519306

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{20749}}^1$

素因数の和:20933

約数の個数: 16

約数和(自身を含む): 204180000

約数和(自身を除く): 75660694

約数列:

[1, 2, 19, 38, 163, 326, 3097, 6194, 20749, 41498, 394231, 788462, 3382087, 6764174, 64259653, 128519306]

約数ペア:

[(1, 128519306), (2, 64259653), (19, 6764174), (38, 3382087), (163, 788462), (326, 394231), (3097, 41498), (6194, 20749)]