397977788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263911}}^1$

素因数の和:263957

約数の個数: 24

約数和(自身を含む): 775901280

約数和(自身を除く): 377923492

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 263911, 527822, 1055644, 3430843, 6861686, 7653419, 13723372, 15306838, 30613676, 99494447, 198988894, 397977788]

約数ペア:

[(1, 397977788), (2, 198988894), (4, 99494447), (13, 30613676), (26, 15306838), (29, 13723372), (52, 7653419), (58, 6861686), (116, 3430843), (377, 1055644), (754, 527822), (1508, 263911)]