81271712

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{35771}}^1$

素因数の和:35852

約数の個数: 24

約数和(自身を含む): 162261792

約数和(自身を除く): 80990080

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 35771, 71542, 143084, 286168, 572336, 1144672, 2539741, 5079482, 10158964, 20317928, 40635856, 81271712]

約数ペア:

[(1, 81271712), (2, 40635856), (4, 20317928), (8, 10158964), (16, 5079482), (32, 2539741), (71, 1144672), (142, 572336), (284, 286168), (568, 143084), (1136, 71542), (2272, 35771)]