221565894

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{7789}}^1$

素因数の和:8236

約数の個数: 32

約数和(自身を含む): 484600320

約数和(自身を除く): 263034426

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 431, 862, 1293, 2586, 4741, 7789, 9482, 14223, 15578, 23367, 28446, 46734, 85679, 171358, 257037, 514074, 3357059, 6714118, 10071177, 20142354, 36927649, 73855298, 110782947, 221565894]

約数ペア:

[(1, 221565894), (2, 110782947), (3, 73855298), (6, 36927649), (11, 20142354), (22, 10071177), (33, 6714118), (66, 3357059), (431, 514074), (862, 257037), (1293, 171358), (2586, 85679), (4741, 46734), (7789, 28446), (9482, 23367), (14223, 15578)]