128536990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443231}}^1$

素因数の和:443267

約数の個数: 16

約数和(自身を含む): 239345280

約数和(自身を除く): 110808290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 443231, 886462, 2216155, 4432310, 12853699, 25707398, 64268495, 128536990]

約数ペア:

[(1, 128536990), (2, 64268495), (5, 25707398), (10, 12853699), (29, 4432310), (58, 2216155), (145, 886462), (290, 443231)]