251502815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{1301}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 323041824

約数和(自身を除く): 71539009

約数列:

[1, 5, 23, 41, 115, 205, 943, 1301, 1681, 4715, 6505, 8405, 29923, 38663, 53341, 149615, 193315, 266705, 1226843, 2186981, 6134215, 10934905, 50300563, 251502815]

約数ペア:

[(1, 251502815), (5, 50300563), (23, 10934905), (41, 6134215), (115, 2186981), (205, 1226843), (943, 266705), (1301, 193315), (1681, 149615), (4715, 53341), (6505, 38663), (8405, 29923)]