71943809

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 87353640

約数和(自身を除く): 15409831

約数列:

[1, 7, 29, 49, 197, 203, 257, 1379, 1421, 1799, 5713, 7453, 9653, 12593, 39991, 50629, 52171, 279937, 354403, 365197, 1468241, 2480821, 10277687, 71943809]

約数ペア:

[(1, 71943809), (7, 10277687), (29, 2480821), (49, 1468241), (197, 365197), (203, 354403), (257, 279937), (1379, 52171), (1421, 50629), (1799, 39991), (5713, 12593), (7453, 9653)]