71697590

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{51581}}^1$

素因数の和:51727

約数の個数: 16

約数和(自身を含む): 129986640

約数和(自身を除く): 58289050

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 51581, 103162, 257905, 515810, 7169759, 14339518, 35848795, 71697590]

約数ペア:

[(1, 71697590), (2, 35848795), (5, 14339518), (10, 7169759), (139, 515810), (278, 257905), (695, 103162), (1390, 51581)]