28726451

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 32852160

約数和(自身を除く): 4125709

約数列:

[1, 13, 43, 59, 67, 169, 559, 767, 871, 2537, 2881, 3953, 7267, 9971, 11323, 32981, 37453, 51389, 169979, 428753, 486889, 668057, 2209727, 28726451]

約数ペア:

[(1, 28726451), (13, 2209727), (43, 668057), (59, 486889), (67, 428753), (169, 169979), (559, 51389), (767, 37453), (871, 32981), (2537, 11323), (2881, 9971), (3953, 7267)]