2642575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 3624768

約数和(自身を除く): 982193

約数列:

[1, 5, 13, 25, 47, 65, 173, 235, 325, 611, 865, 1175, 2249, 3055, 4325, 8131, 11245, 15275, 40655, 56225, 105703, 203275, 528515, 2642575]

約数ペア:

[(1, 2642575), (5, 528515), (13, 203275), (25, 105703), (47, 56225), (65, 40655), (173, 15275), (235, 11245), (325, 8131), (611, 4325), (865, 3055), (1175, 2249)]