71487025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{89}}^2$

素因数の和:226

約数の個数: 27

約数和(自身を含む): 94617921

約数和(自身を除く): 23130896

約数列:

[1, 5, 19, 25, 89, 95, 361, 445, 475, 1691, 1805, 2225, 7921, 8455, 9025, 32129, 39605, 42275, 150499, 160645, 198025, 752495, 803225, 2859481, 3762475, 14297405, 71487025]

約数ペア:

[(1, 71487025), (5, 14297405), (19, 3762475), (25, 2859481), (89, 803225), (95, 752495), (361, 198025), (445, 160645), (475, 150499), (1691, 42275), (1805, 39605), (2225, 32129), (7921, 9025)]