640919381761

素因数分解:

${\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{1279}}^1\times {\mathrm{83089}}^1$

素因数の和:84568

約数の個数: 16

約数和(自身を含む): 662805606400

約数和(自身を除く): 21886224639

約数列:

[1, 37, 163, 1279, 6031, 47323, 83089, 208477, 3074293, 7713649, 13543507, 106270831, 501109759, 3932020747, 17322145453, 640919381761]

約数ペア:

[(1, 640919381761), (37, 17322145453), (163, 3932020747), (1279, 501109759), (6031, 106270831), (47323, 13543507), (83089, 7713649), (208477, 3074293)]