26581513

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 32747712

約数和(自身を除く): 6166199

約数列:

[1, 7, 19, 67, 133, 157, 361, 469, 1099, 1273, 2527, 2983, 8911, 10519, 20881, 24187, 56677, 73633, 169309, 199861, 396739, 1399027, 3797359, 26581513]

約数ペア:

[(1, 26581513), (7, 3797359), (19, 1399027), (67, 396739), (133, 199861), (157, 169309), (361, 73633), (469, 56677), (1099, 24187), (1273, 20881), (2527, 10519), (2983, 8911)]