138869690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{478861}}^1$

素因数の和:478897

約数の個数: 16

約数和(自身を含む): 258585480

約数和(自身を除く): 119715790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 478861, 957722, 2394305, 4788610, 13886969, 27773938, 69434845, 138869690]

約数ペア:

[(1, 138869690), (2, 69434845), (5, 27773938), (10, 13886969), (29, 4788610), (58, 2394305), (145, 957722), (290, 478861)]