81895985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 110972160

約数和(自身を除く): 29076175

約数列:

[1, 5, 19, 23, 37, 95, 115, 185, 437, 703, 851, 1013, 2185, 3515, 4255, 5065, 16169, 19247, 23299, 37481, 80845, 96235, 116495, 187405, 442681, 712139, 862063, 2213405, 3560695, 4310315, 16379197, 81895985]

約数ペア:

[(1, 81895985), (5, 16379197), (19, 4310315), (23, 3560695), (37, 2213405), (95, 862063), (115, 712139), (185, 442681), (437, 187405), (703, 116495), (851, 96235), (1013, 80845), (2185, 37481), (3515, 23299), (4255, 19247), (5065, 16169)]