13223275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 19373760

約数和(自身を除く): 6150485

約数列:

[1, 5, 13, 23, 25, 29, 61, 65, 115, 145, 299, 305, 325, 377, 575, 667, 725, 793, 1403, 1495, 1525, 1769, 1885, 3335, 3965, 7015, 7475, 8671, 8845, 9425, 16675, 18239, 19825, 22997, 35075, 40687, 43355, 44225, 91195, 114985, 203435, 216775, 455975, 528931, 574925, 1017175, 2644655, 13223275]

約数ペア:

[(1, 13223275), (5, 2644655), (13, 1017175), (23, 574925), (25, 528931), (29, 455975), (61, 216775), (65, 203435), (115, 114985), (145, 91195), (299, 44225), (305, 43355), (325, 40687), (377, 35075), (575, 22997), (667, 19825), (725, 18239), (793, 16675), (1403, 9425), (1495, 8845), (1525, 8671), (1769, 7475), (1885, 7015), (3335, 3965)]