80121958

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^2\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 36

約数和(自身を含む): 142677612

約数和(自身を除く): 62555654

約数列:

[1, 2, 7, 14, 49, 79, 98, 131, 158, 262, 553, 917, 1106, 1834, 3871, 6241, 6419, 7742, 10349, 12482, 12838, 20698, 43687, 72443, 87374, 144886, 305809, 507101, 611618, 817571, 1014202, 1635142, 5722997, 11445994, 40060979, 80121958]

約数ペア:

[(1, 80121958), (2, 40060979), (7, 11445994), (14, 5722997), (49, 1635142), (79, 1014202), (98, 817571), (131, 611618), (158, 507101), (262, 305809), (553, 144886), (917, 87374), (1106, 72443), (1834, 43687), (3871, 20698), (6241, 12838), (6419, 12482), (7742, 10349)]