2564705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 3846528

約数和(自身を除く): 1281823

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 211, 221, 715, 935, 1055, 1105, 2321, 2431, 2743, 3587, 11605, 12155, 13715, 17935, 30173, 39457, 46631, 150865, 197285, 233155, 512941, 2564705]

約数ペア:

[(1, 2564705), (5, 512941), (11, 233155), (13, 197285), (17, 150865), (55, 46631), (65, 39457), (85, 30173), (143, 17935), (187, 13715), (211, 12155), (221, 11605), (715, 3587), (935, 2743), (1055, 2431), (1105, 2321)]