256220735

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{35171}}^1$

素因数の和:35254

約数の個数: 16

約数和(自身を含む): 324145152

約数和(自身を除く): 67924417

約数列:

[1, 5, 31, 47, 155, 235, 1457, 7285, 35171, 175855, 1090301, 1653037, 5451505, 8265185, 51244147, 256220735]

約数ペア:

[(1, 256220735), (5, 51244147), (31, 8265185), (47, 5451505), (155, 1653037), (235, 1090301), (1457, 175855), (7285, 35171)]