17420039

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 24131520

約数和(自身を除く): 6711481

約数列:

[1, 7, 13, 23, 29, 41, 49, 91, 161, 203, 287, 299, 377, 533, 637, 667, 943, 1127, 1189, 1421, 2009, 2093, 2639, 3731, 4669, 6601, 8323, 8671, 12259, 14651, 15457, 18473, 26117, 27347, 32683, 46207, 58261, 60697, 85813, 108199, 191429, 355511, 424879, 600691, 757393, 1340003, 2488577, 17420039]

約数ペア:

[(1, 17420039), (7, 2488577), (13, 1340003), (23, 757393), (29, 600691), (41, 424879), (49, 355511), (91, 191429), (161, 108199), (203, 85813), (287, 60697), (299, 58261), (377, 46207), (533, 32683), (637, 27347), (667, 26117), (943, 18473), (1127, 15457), (1189, 14651), (1421, 12259), (2009, 8671), (2093, 8323), (2639, 6601), (3731, 4669)]