91287025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{619}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 120394080

約数和(自身を除く): 29107055

約数列:

[1, 5, 17, 25, 85, 347, 425, 619, 1735, 3095, 5899, 8675, 10523, 15475, 29495, 52615, 147475, 214793, 263075, 1073965, 3651481, 5369825, 18257405, 91287025]

約数ペア:

[(1, 91287025), (5, 18257405), (17, 5369825), (25, 3651481), (85, 1073965), (347, 263075), (425, 214793), (619, 147475), (1735, 52615), (3095, 29495), (5899, 15475), (8675, 10523)]