905434825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{13127}}^1$

素因数の和:13257

約数の個数: 24

約数和(自身を含む): 1172067840

約数和(自身を除く): 266633015

約数列:

[1, 5, 25, 31, 89, 155, 445, 775, 2225, 2759, 13127, 13795, 65635, 68975, 328175, 406937, 1168303, 2034685, 5841515, 10173425, 29207575, 36217393, 181086965, 905434825]

約数ペア:

[(1, 905434825), (5, 181086965), (25, 36217393), (31, 29207575), (89, 10173425), (155, 5841515), (445, 2034685), (775, 1168303), (2225, 406937), (2759, 328175), (13127, 68975), (13795, 65635)]