25209124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{811}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 46608800

約数和(自身を除く): 21399676

約数列:

[1, 2, 4, 19, 38, 76, 409, 811, 818, 1622, 1636, 3244, 7771, 15409, 15542, 30818, 31084, 61636, 331699, 663398, 1326796, 6302281, 12604562, 25209124]

約数ペア:

[(1, 25209124), (2, 12604562), (4, 6302281), (19, 1326796), (38, 663398), (76, 331699), (409, 61636), (811, 31084), (818, 30818), (1622, 15542), (1636, 15409), (3244, 7771)]