31906985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1607}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 44110656

約数和(自身を除く): 12203671

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1045, 1607, 1805, 3971, 8035, 17677, 19855, 30533, 88385, 152665, 335863, 580127, 1679315, 2900635, 6381397, 31906985]

約数ペア:

[(1, 31906985), (5, 6381397), (11, 2900635), (19, 1679315), (55, 580127), (95, 335863), (209, 152665), (361, 88385), (1045, 30533), (1607, 19855), (1805, 17677), (3971, 8035)]