389458412

素因数分解:

$2^2\times 7^1\times {\mathrm{2659}}^1\times {\mathrm{5231}}^1$

素因数の和:7901

約数の個数: 24

約数和(自身を含む): 779358720

約数和(自身を除く): 389900308

約数列:

[1, 2, 4, 7, 14, 28, 2659, 5231, 5318, 10462, 10636, 18613, 20924, 36617, 37226, 73234, 74452, 146468, 13909229, 27818458, 55636916, 97364603, 194729206, 389458412]

約数ペア:

[(1, 389458412), (2, 194729206), (4, 97364603), (7, 55636916), (14, 27818458), (28, 13909229), (2659, 146468), (5231, 74452), (5318, 73234), (10462, 37226), (10636, 36617), (18613, 20924)]