289188290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{997201}}^1$

素因数の和:997237

約数の個数: 16

約数和(自身を含む): 538489080

約数和(自身を除く): 249300790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 997201, 1994402, 4986005, 9972010, 28918829, 57837658, 144594145, 289188290]

約数ペア:

[(1, 289188290), (2, 144594145), (5, 57837658), (10, 28918829), (29, 9972010), (58, 4986005), (145, 1994402), (290, 997201)]