401432144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{809339}}^1$

素因数の和:809378

約数の個数: 20

約数和(自身を含む): 802865280

約数和(自身を除く): 401433136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 809339, 1618678, 3237356, 6474712, 12949424, 25089509, 50179018, 100358036, 200716072, 401432144]

約数ペア:

[(1, 401432144), (2, 200716072), (4, 100358036), (8, 50179018), (16, 25089509), (31, 12949424), (62, 6474712), (124, 3237356), (248, 1618678), (496, 809339)]