397905145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{7213}}^1$

素因数の和:7305

約数の個数: 32

約数和(自身を含む): 560960640

約数和(自身を除く): 163055495

約数列:

[1, 5, 11, 17, 55, 59, 85, 187, 295, 649, 935, 1003, 3245, 5015, 7213, 11033, 36065, 55165, 79343, 122621, 396715, 425567, 613105, 1348831, 2127835, 4681237, 6744155, 7234639, 23406185, 36173195, 79581029, 397905145]

約数ペア:

[(1, 397905145), (5, 79581029), (11, 36173195), (17, 23406185), (55, 7234639), (59, 6744155), (85, 4681237), (187, 2127835), (295, 1348831), (649, 613105), (935, 425567), (1003, 396715), (3245, 122621), (5015, 79343), (7213, 55165), (11033, 36065)]