491035909

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12637}}^1$

素因数の和:12725

約数の個数: 24

約数和(自身を含む): 625277688

約数和(自身を除く): 134241779

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 2989, 5551, 12637, 38857, 88459, 164281, 619213, 770857, 1149967, 5395999, 8049769, 10021141, 37771993, 70147987, 491035909]

約数ペア:

[(1, 491035909), (7, 70147987), (13, 37771993), (49, 10021141), (61, 8049769), (91, 5395999), (427, 1149967), (637, 770857), (793, 619213), (2989, 164281), (5551, 88459), (12637, 38857)]