25151212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1663}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 46592000

約数和(自身を除く): 21440788

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 1663, 3326, 3781, 6652, 7562, 15124, 31597, 63194, 126388, 330937, 661874, 1323748, 6287803, 12575606, 25151212]

約数ペア:

[(1, 25151212), (2, 12575606), (4, 6287803), (19, 1323748), (38, 661874), (76, 330937), (199, 126388), (398, 63194), (796, 31597), (1663, 15124), (3326, 7562), (3781, 6652)]