81304705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{6247}}^1$

素因数の和:6408

約数の個数: 16

約数和(自身を含む): 103466880

約数和(自身を除く): 22162175

約数列:

[1, 5, 19, 95, 137, 685, 2603, 6247, 13015, 31235, 118693, 593465, 855839, 4279195, 16260941, 81304705]

約数ペア:

[(1, 81304705), (5, 16260941), (19, 4279195), (95, 855839), (137, 593465), (685, 118693), (2603, 31235), (6247, 13015)]