138401870

素因数分解:

$2^1\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{10993}}^1$

素因数の和:12259

約数の個数: 16

約数和(自身を含む): 249343920

約数和(自身を除く): 110942050

約数列:

[1, 2, 5, 10, 1259, 2518, 6295, 10993, 12590, 21986, 54965, 109930, 13840187, 27680374, 69200935, 138401870]

約数ペア:

[(1, 138401870), (2, 69200935), (5, 27680374), (10, 13840187), (1259, 109930), (2518, 54965), (6295, 21986), (10993, 12590)]