13640690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{194867}}^1$

素因数の和:194881

約数の個数: 16

約数和(自身を含む): 28060992

約数和(自身を除く): 14420302

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 194867, 389734, 974335, 1364069, 1948670, 2728138, 6820345, 13640690]

約数ペア:

[(1, 13640690), (2, 6820345), (5, 2728138), (7, 1948670), (10, 1364069), (14, 974335), (35, 389734), (70, 194867)]