207976816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{213091}}^1$

素因数の和:213160

約数の個数: 20

約数和(自身を含む): 409562824

約数和(自身を除く): 201586008

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 213091, 426182, 852364, 1704728, 3409456, 12998551, 25997102, 51994204, 103988408, 207976816]

約数ペア:

[(1, 207976816), (2, 103988408), (4, 51994204), (8, 25997102), (16, 12998551), (61, 3409456), (122, 1704728), (244, 852364), (488, 426182), (976, 213091)]