664152025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{8431}}^1$

素因数の和:8601

約数の個数: 24

約数和(自身を含む): 865730304

約数和(自身を除く): 201578279

約数列:

[1, 5, 23, 25, 115, 137, 575, 685, 3151, 3425, 8431, 15755, 42155, 78775, 193913, 210775, 969565, 1155047, 4847825, 5775235, 26566081, 28876175, 132830405, 664152025]

約数ペア:

[(1, 664152025), (5, 132830405), (23, 28876175), (25, 26566081), (115, 5775235), (137, 4847825), (575, 1155047), (685, 969565), (3151, 210775), (3425, 193913), (8431, 78775), (15755, 42155)]