1489747025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1579}}^1\times {\mathrm{2903}}^1$

素因数の和:4505

約数の個数: 24

約数和(自身を含む): 1991330880

約数和(自身を除く): 501583855

約数列:

[1, 5, 13, 25, 65, 325, 1579, 2903, 7895, 14515, 20527, 37739, 39475, 72575, 102635, 188695, 513175, 943475, 4583837, 22919185, 59589881, 114595925, 297949405, 1489747025]

約数ペア:

[(1, 1489747025), (5, 297949405), (13, 114595925), (25, 59589881), (65, 22919185), (325, 4583837), (1579, 943475), (2903, 513175), (7895, 188695), (14515, 102635), (20527, 72575), (37739, 39475)]