264271475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42797}}^1$

素因数の和:42839

約数の個数: 24

約数和(自身を含む): 371486640

約数和(自身を除く): 107215165

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 42797, 213985, 556361, 813143, 1069925, 2781805, 4065715, 10570859, 13909025, 20328575, 52854295, 264271475]

約数ペア:

[(1, 264271475), (5, 52854295), (13, 20328575), (19, 13909025), (25, 10570859), (65, 4065715), (95, 2781805), (247, 1069925), (325, 813143), (475, 556361), (1235, 213985), (6175, 42797)]