71732843

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 94711680

約数和(自身を除く): 22978837

約数列:

[1, 7, 13, 17, 89, 91, 119, 221, 521, 623, 1157, 1513, 1547, 3647, 6773, 8099, 8857, 10591, 19669, 46369, 47411, 61999, 115141, 137683, 324583, 602797, 788273, 805987, 4219579, 5517911, 10247549, 71732843]

約数ペア:

[(1, 71732843), (7, 10247549), (13, 5517911), (17, 4219579), (89, 805987), (91, 788273), (119, 602797), (221, 324583), (521, 137683), (623, 115141), (1157, 61999), (1513, 47411), (1547, 46369), (3647, 19669), (6773, 10591), (8099, 8857)]