31497790

素因数分解:

$2^1\times 5^1\times {\mathrm{761}}^1\times {\mathrm{4139}}^1$

素因数の和:4907

約数の個数: 16

約数和(自身を含む): 56784240

約数和(自身を除く): 25286450

約数列:

[1, 2, 5, 10, 761, 1522, 3805, 4139, 7610, 8278, 20695, 41390, 3149779, 6299558, 15748895, 31497790]

約数ペア:

[(1, 31497790), (2, 15748895), (5, 6299558), (10, 3149779), (761, 41390), (1522, 20695), (3805, 8278), (4139, 7610)]