388670401

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2377}}^1$

素因数の和:2509

約数の個数: 24

約数和(自身を含む): 468446976

約数和(自身を除く): 79776575

約数列:

[1, 7, 47, 49, 71, 329, 497, 2303, 2377, 3337, 3479, 16639, 23359, 111719, 116473, 163513, 168767, 782033, 1181369, 5474231, 7932049, 8269583, 55524343, 388670401]

約数ペア:

[(1, 388670401), (7, 55524343), (47, 8269583), (49, 7932049), (71, 5474231), (329, 1181369), (497, 782033), (2303, 168767), (2377, 163513), (3337, 116473), (3479, 111719), (16639, 23359)]