289243390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{997391}}^1$

素因数の和:997427

約数の個数: 16

約数和(自身を含む): 538591680

約数和(自身を除く): 249348290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 997391, 1994782, 4986955, 9973910, 28924339, 57848678, 144621695, 289243390]

約数ペア:

[(1, 289243390), (2, 144621695), (5, 57848678), (10, 28924339), (29, 9973910), (58, 4986955), (145, 1994782), (290, 997391)]