2019979654

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{423121}}^1$

素因数の和:423172

約数の個数: 32

約数和(自身を含む): 3899492352

約数和(自身を除く): 1879512698

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 423121, 846242, 2961847, 4654331, 5923694, 9308662, 13116751, 26233502, 32580317, 65160634, 91817257, 144284261, 183634514, 288568522, 1009989827, 2019979654]

約数ペア:

[(1, 2019979654), (2, 1009989827), (7, 288568522), (11, 183634514), (14, 144284261), (22, 91817257), (31, 65160634), (62, 32580317), (77, 26233502), (154, 13116751), (217, 9308662), (341, 5923694), (434, 4654331), (682, 2961847), (2387, 846242), (4774, 423121)]