64067731

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 81890304

約数和(自身を除く): 17822573

約数列:

[1, 7, 13, 31, 91, 169, 217, 403, 1183, 1747, 2821, 5239, 12229, 22711, 36673, 54157, 158977, 295243, 379099, 704041, 2066701, 4928287, 9152533, 64067731]

約数ペア:

[(1, 64067731), (7, 9152533), (13, 4928287), (31, 2066701), (91, 704041), (169, 379099), (217, 295243), (403, 158977), (1183, 54157), (1747, 36673), (2821, 22711), (5239, 12229)]