399731605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{38197}}^1$

素因数の和:38245

約数の個数: 32

約数和(自身を含む): 616057344

約数和(自身を除く): 216325739

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 10465, 38197, 190985, 267379, 496561, 878531, 1336895, 2482805, 3475927, 4392655, 6149717, 11420903, 17379635, 30748585, 57104515, 79946321, 399731605]

約数ペア:

[(1, 399731605), (5, 79946321), (7, 57104515), (13, 30748585), (23, 17379635), (35, 11420903), (65, 6149717), (91, 4392655), (115, 3475927), (161, 2482805), (299, 1336895), (455, 878531), (805, 496561), (1495, 267379), (2093, 190985), (10465, 38197)]