393412825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{3943}}^1$

素因数の和:4273

約数の個数: 24

約数和(自身を含む): 527202368

約数和(自身を除く): 133789543

約数列:

[1, 5, 13, 25, 65, 307, 325, 1535, 3943, 3991, 7675, 19715, 19955, 51259, 98575, 99775, 256295, 1210501, 1281475, 6052505, 15736513, 30262525, 78682565, 393412825]

約数ペア:

[(1, 393412825), (5, 78682565), (13, 30262525), (25, 15736513), (65, 6052505), (307, 1281475), (325, 1210501), (1535, 256295), (3943, 99775), (3991, 98575), (7675, 51259), (19715, 19955)]