148437025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{28409}}^1$

素因数の和:28449

約数の個数: 24

約数和(自身を含む): 211370400

約数和(自身を除く): 62933375

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 28409, 142045, 312499, 539771, 710225, 1562495, 2698855, 5937481, 7812475, 13494275, 29687405, 148437025]

約数ペア:

[(1, 148437025), (5, 29687405), (11, 13494275), (19, 7812475), (25, 5937481), (55, 2698855), (95, 1562495), (209, 710225), (275, 539771), (475, 312499), (1045, 142045), (5225, 28409)]