199904575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{3187}}^1$

素因数の和:3403

約数の個数: 24

約数和(自身を含む): 268416848

約数和(自身を除く): 68512273

約数列:

[1, 5, 13, 25, 65, 193, 325, 965, 2509, 3187, 4825, 12545, 15935, 41431, 62725, 79675, 207155, 615091, 1035775, 3075455, 7996183, 15377275, 39980915, 199904575]

約数ペア:

[(1, 199904575), (5, 39980915), (13, 15377275), (25, 7996183), (65, 3075455), (193, 1035775), (325, 615091), (965, 207155), (2509, 79675), (3187, 62725), (4825, 41431), (12545, 15935)]