2194775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 3106944

約数和(自身を除く): 912169

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 347, 575, 1265, 1735, 3817, 6325, 7981, 8675, 19085, 39905, 87791, 95425, 199525, 438955, 2194775]

約数ペア:

[(1, 2194775), (5, 438955), (11, 199525), (23, 95425), (25, 87791), (55, 39905), (115, 19085), (253, 8675), (275, 7981), (347, 6325), (575, 3817), (1265, 1735)]