664000631

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{54547}}^1$

素因数の和:54638

約数の個数: 16

約数和(自身を含む): 795964416

約数和(自身を除く): 131963785

約数列:

[1, 7, 37, 47, 259, 329, 1739, 12173, 54547, 381829, 2018239, 2563709, 14127673, 17945963, 94857233, 664000631]

約数ペア:

[(1, 664000631), (7, 94857233), (37, 17945963), (47, 14127673), (259, 2563709), (329, 2018239), (1739, 381829), (12173, 54547)]