51271415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 68703936

約数和(自身を除く): 17432521

約数列:

[1, 5, 13, 61, 65, 67, 193, 305, 335, 793, 871, 965, 2509, 3965, 4087, 4355, 11773, 12545, 12931, 20435, 53131, 58865, 64655, 153049, 168103, 265655, 765245, 788791, 840515, 3943955, 10254283, 51271415]

約数ペア:

[(1, 51271415), (5, 10254283), (13, 3943955), (61, 840515), (65, 788791), (67, 765245), (193, 265655), (305, 168103), (335, 153049), (793, 64655), (871, 58865), (965, 53131), (2509, 20435), (3965, 12931), (4087, 12545), (4355, 11773)]