639830302

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1\times {\mathrm{6991}}^1$

素因数の和:7743

約数の個数: 16

約数和(自身を含む): 975635712

約数和(自身を除く): 335805410

約数列:

[1, 2, 67, 134, 683, 1366, 6991, 13982, 45761, 91522, 468397, 936794, 4774853, 9549706, 319915151, 639830302]

約数ペア:

[(1, 639830302), (2, 319915151), (67, 9549706), (134, 4774853), (683, 936794), (1366, 468397), (6991, 91522), (13982, 45761)]