71731205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 108710784

約数和(自身を除く): 36979579

約数列:

[1, 5, 7, 13, 35, 65, 67, 91, 169, 181, 335, 455, 469, 845, 871, 905, 1183, 1267, 2345, 2353, 4355, 5915, 6097, 6335, 11323, 11765, 12127, 16471, 30485, 30589, 56615, 60635, 79261, 82355, 84889, 152945, 157651, 214123, 396305, 424445, 788255, 1070615, 1103557, 2049463, 5517785, 10247315, 14346241, 71731205]

約数ペア:

[(1, 71731205), (5, 14346241), (7, 10247315), (13, 5517785), (35, 2049463), (65, 1103557), (67, 1070615), (91, 788255), (169, 424445), (181, 396305), (335, 214123), (455, 157651), (469, 152945), (845, 84889), (871, 82355), (905, 79261), (1183, 60635), (1267, 56615), (2345, 30589), (2353, 30485), (4355, 16471), (5915, 12127), (6097, 11765), (6335, 11323)]