25113907

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 7787213

約数列:

[1, 7, 13, 23, 71, 91, 161, 169, 299, 497, 923, 1183, 1633, 2093, 2197, 3887, 6461, 11431, 11999, 15379, 21229, 27209, 50531, 83993, 148603, 155987, 275977, 353717, 1091909, 1931839, 3587701, 25113907]

約数ペア:

[(1, 25113907), (7, 3587701), (13, 1931839), (23, 1091909), (71, 353717), (91, 275977), (161, 155987), (169, 148603), (299, 83993), (497, 50531), (923, 27209), (1183, 21229), (1633, 15379), (2093, 11999), (2197, 11431), (3887, 6461)]