42740425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18787}}^1$

素因数の和:18817

約数の個数: 24

約数和(自身を含む): 65231936

約数和(自身を除く): 22491511

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 18787, 93935, 131509, 244231, 469675, 657545, 1221155, 1709617, 3287725, 6105775, 8548085, 42740425]

約数ペア:

[(1, 42740425), (5, 8548085), (7, 6105775), (13, 3287725), (25, 1709617), (35, 1221155), (65, 657545), (91, 469675), (175, 244231), (325, 131509), (455, 93935), (2275, 18787)]