67720807

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 91123200

約数和(自身を除く): 23402393

約数列:

[1, 7, 11, 19, 41, 77, 133, 209, 287, 451, 779, 1129, 1463, 3157, 5453, 7903, 8569, 12419, 21451, 46289, 59983, 86933, 150157, 235961, 324023, 509179, 879491, 1651727, 3564253, 6156437, 9674401, 67720807]

約数ペア:

[(1, 67720807), (7, 9674401), (11, 6156437), (19, 3564253), (41, 1651727), (77, 879491), (133, 509179), (209, 324023), (287, 235961), (451, 150157), (779, 86933), (1129, 59983), (1463, 46289), (3157, 21451), (5453, 12419), (7903, 8569)]