64686412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121591}}^1$

素因数の和:121621

約数の個数: 24

約数和(自身を含む): 136183040

約数和(自身を除く): 71496628

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 121591, 243182, 486364, 851137, 1702274, 2310229, 3404548, 4620458, 9240916, 16171603, 32343206, 64686412]

約数ペア:

[(1, 64686412), (2, 32343206), (4, 16171603), (7, 9240916), (14, 4620458), (19, 3404548), (28, 2310229), (38, 1702274), (76, 851137), (133, 486364), (266, 243182), (532, 121591)]