139604870

素因数分解:

$2^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{21379}}^1$

素因数の和:22039

約数の個数: 16

約数和(自身を含む): 251685360

約数和(自身を除く): 112080490

約数列:

[1, 2, 5, 10, 653, 1306, 3265, 6530, 21379, 42758, 106895, 213790, 13960487, 27920974, 69802435, 139604870]

約数ペア:

[(1, 139604870), (2, 69802435), (5, 27920974), (10, 13960487), (653, 213790), (1306, 106895), (3265, 42758), (6530, 21379)]