161878168

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{493531}}^1$

素因数の和:493578

約数の個数: 16

約数和(自身を含む): 310925160

約数和(自身を除く): 149046992

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 493531, 987062, 1974124, 3948248, 20234771, 40469542, 80939084, 161878168]

約数ペア:

[(1, 161878168), (2, 80939084), (4, 40469542), (8, 20234771), (41, 3948248), (82, 1974124), (164, 987062), (328, 493531)]