128940414

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{405473}}^1$

素因数の和:405531

約数の個数: 16

約数和(自身を含む): 262747152

約数和(自身を除く): 133806738

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 405473, 810946, 1216419, 2432838, 21490069, 42980138, 64470207, 128940414]

約数ペア:

[(1, 128940414), (2, 64470207), (3, 42980138), (6, 21490069), (53, 2432838), (106, 1216419), (159, 810946), (318, 405473)]