139621810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{340541}}^1$

素因数の和:340589

約数の個数: 16

約数和(自身を含む): 257449752

約数和(自身を除く): 117827942

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 340541, 681082, 1702705, 3405410, 13962181, 27924362, 69810905, 139621810]

約数ペア:

[(1, 139621810), (2, 69810905), (5, 27924362), (10, 13962181), (41, 3405410), (82, 1702705), (205, 681082), (410, 340541)]