66661.0000000

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 14256000

約数和(自身を除く): 5727622

約数列:

[1, 2, 19, 29, 38, 58, 71, 109, 142, 218, 551, 1102, 1349, 2059, 2071, 2698, 3161, 4118, 4142, 6322, 7739, 15478, 39121, 60059, 78242, 120118, 147041, 224431, 294082, 448862, 4264189, 8528378]

約数ペア:

[(1, 8528378), (2, 4264189), (19, 448862), (29, 294082), (38, 224431), (58, 147041), (71, 120118), (109, 78242), (142, 60059), (218, 39121), (551, 15478), (1102, 7739), (1349, 6322), (2059, 4142), (2071, 4118), (2698, 3161)]