647831290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2233901}}^1$

素因数の和:2233937

約数の個数: 16

約数和(自身を含む): 1206307080

約数和(自身を除く): 558475790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 2233901, 4467802, 11169505, 22339010, 64783129, 129566258, 323915645, 647831290]

約数ペア:

[(1, 647831290), (2, 323915645), (5, 129566258), (10, 64783129), (29, 22339010), (58, 11169505), (145, 4467802), (290, 2233901)]