721000398

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{2556739}}^1$

素因数の和:2556791

約数の個数: 16

約数和(自身を含む): 1472682240

約数和(自身を除く): 751681842

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 2556739, 5113478, 7670217, 15340434, 120166733, 240333466, 360500199, 721000398]

約数ペア:

[(1, 721000398), (2, 360500199), (3, 240333466), (6, 120166733), (47, 15340434), (94, 7670217), (141, 5113478), (282, 2556739)]