2109287525

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{3821}}^1$

素因数の和:4213

約数の個数: 24

約数和(自身を含む): 2661579648

約数和(自身を除く): 552292123

約数列:

[1, 5, 25, 71, 311, 355, 1555, 1775, 3821, 7775, 19105, 22081, 95525, 110405, 271291, 552025, 1188331, 1356455, 5941655, 6782275, 29708275, 84371501, 421857505, 2109287525]

約数ペア:

[(1, 2109287525), (5, 421857505), (25, 84371501), (71, 29708275), (311, 6782275), (355, 5941655), (1555, 1356455), (1775, 1188331), (3821, 552025), (7775, 271291), (19105, 110405), (22081, 95525)]