191965475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 272524224

約数和(自身を除く): 80558749

約数列:

[1, 5, 13, 23, 25, 61, 65, 115, 299, 305, 325, 421, 575, 793, 1403, 1495, 1525, 2105, 3965, 5473, 7015, 7475, 9683, 10525, 18239, 19825, 25681, 27365, 35075, 48415, 91195, 125879, 128405, 136825, 242075, 333853, 455975, 590663, 629395, 642025, 1669265, 2953315, 3146975, 7678619, 8346325, 14766575, 38393095, 191965475]

約数ペア:

[(1, 191965475), (5, 38393095), (13, 14766575), (23, 8346325), (25, 7678619), (61, 3146975), (65, 2953315), (115, 1669265), (299, 642025), (305, 629395), (325, 590663), (421, 455975), (575, 333853), (793, 242075), (1403, 136825), (1495, 128405), (1525, 125879), (2105, 91195), (3965, 48415), (5473, 35075), (7015, 27365), (7475, 25681), (9683, 19825), (10525, 18239)]