31981804

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1021}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 57689856

約数和(自身を除く): 25708052

約数列:

[1, 2, 4, 41, 82, 164, 191, 382, 764, 1021, 2042, 4084, 7831, 15662, 31324, 41861, 83722, 167444, 195011, 390022, 780044, 7995451, 15990902, 31981804]

約数ペア:

[(1, 31981804), (2, 15990902), (4, 7995451), (41, 780044), (82, 390022), (164, 195011), (191, 167444), (382, 83722), (764, 41861), (1021, 31324), (2042, 15662), (4084, 7831)]