64538858

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1370

約数の個数: 24

約数和(自身を含む): 103692960

約数和(自身を除く): 39154102

約数列:

[1, 2, 19, 38, 71, 142, 361, 722, 1259, 1349, 2518, 2698, 23921, 25631, 47842, 51262, 89389, 178778, 454499, 908998, 1698391, 3396782, 32269429, 64538858]

約数ペア:

[(1, 64538858), (2, 32269429), (19, 3396782), (38, 1698391), (71, 908998), (142, 454499), (361, 178778), (722, 89389), (1259, 51262), (1349, 47842), (2518, 25631), (2698, 23921)]