25378913

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{3217}}^1$

素因数の和:3261

約数の個数: 16

約数和(自身を含む): 30892800

約数和(自身を除く): 5513887

約数列:

[1, 7, 23, 49, 161, 343, 1127, 3217, 7889, 22519, 73991, 157633, 517937, 1103431, 3625559, 25378913]

約数ペア:

[(1, 25378913), (7, 3625559), (23, 1103431), (49, 517937), (161, 157633), (343, 73991), (1127, 22519), (3217, 7889)]