80181998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 132787200

約数和(自身を除く): 52605202

約数列:

[1, 2, 13, 26, 79, 103, 158, 206, 379, 758, 1027, 1339, 2054, 2678, 4927, 8137, 9854, 16274, 29941, 39037, 59882, 78074, 105781, 211562, 389233, 507481, 778466, 1014962, 3083923, 6167846, 40090999, 80181998]

約数ペア:

[(1, 80181998), (2, 40090999), (13, 6167846), (26, 3083923), (79, 1014962), (103, 778466), (158, 507481), (206, 389233), (379, 211562), (758, 105781), (1027, 78074), (1339, 59882), (2054, 39037), (2678, 29941), (4927, 16274), (8137, 9854)]