81471026

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{63949}}^1$

素因数の和:63978

約数の個数: 24

約数和(自身を含む): 153096300

約数和(自身を除く): 71625274

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 63949, 127898, 447643, 831337, 895286, 1662674, 3133501, 5819359, 6267002, 11638718, 40735513, 81471026]

約数ペア:

[(1, 81471026), (2, 40735513), (7, 11638718), (13, 6267002), (14, 5819359), (26, 3133501), (49, 1662674), (91, 895286), (98, 831337), (182, 447643), (637, 127898), (1274, 63949)]