78888025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 101850624

約数和(自身を除く): 22962599

約数列:

[1, 5, 25, 31, 137, 155, 685, 743, 775, 3425, 3715, 4247, 18575, 21235, 23033, 101791, 106175, 115165, 508955, 575825, 2544775, 3155521, 15777605, 78888025]

約数ペア:

[(1, 78888025), (5, 15777605), (25, 3155521), (31, 2544775), (137, 575825), (155, 508955), (685, 115165), (743, 106175), (775, 101791), (3425, 23033), (3715, 21235), (4247, 18575)]