889045390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{639601}}^1$

素因数の和:639747

約数の個数: 16

約数和(自身を含む): 1611797040

約数和(自身を除く): 722751650

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 639601, 1279202, 3198005, 6396010, 88904539, 177809078, 444522695, 889045390]

約数ペア:

[(1, 889045390), (2, 444522695), (5, 177809078), (10, 88904539), (139, 6396010), (278, 3198005), (695, 1279202), (1390, 639601)]