634387418

素因数分解:

$2^1\times 7^4\times {\mathrm{132109}}^1$

素因数の和:132139

約数の個数: 20

約数和(自身を含む): 1110120330

約数和(自身を除く): 475732912

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 132109, 264218, 924763, 1849526, 6473341, 12946682, 45313387, 90626774, 317193709, 634387418]

約数ペア:

[(1, 634387418), (2, 317193709), (7, 90626774), (14, 45313387), (49, 12946682), (98, 6473341), (343, 1849526), (686, 924763), (2401, 264218), (4802, 132109)]