2821391390

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{901403}}^1$

素因数の和:901723

約数の個数: 16

約数和(自身を含む): 5094735408

約数和(自身を除く): 2273344018

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 901403, 1802806, 4507015, 9014030, 282139139, 564278278, 1410695695, 2821391390]

約数ペア:

[(1, 2821391390), (2, 1410695695), (5, 564278278), (10, 282139139), (313, 9014030), (626, 4507015), (1565, 1802806), (3130, 901403)]