639606798

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{3371}}^1$

素因数の和:3589

約数の個数: 48

約数和(自身を含む): 1413974016

約数和(自身を除く): 774367218

約数列:

[1, 2, 3, 6, 9, 18, 83, 127, 166, 249, 254, 381, 498, 747, 762, 1143, 1494, 2286, 3371, 6742, 10113, 10541, 20226, 21082, 30339, 31623, 60678, 63246, 94869, 189738, 279793, 428117, 559586, 839379, 856234, 1284351, 1678758, 2518137, 2568702, 3853053, 5036274, 7706106, 35533711, 71067422, 106601133, 213202266, 319803399, 639606798]

約数ペア:

[(1, 639606798), (2, 319803399), (3, 213202266), (6, 106601133), (9, 71067422), (18, 35533711), (83, 7706106), (127, 5036274), (166, 3853053), (249, 2568702), (254, 2518137), (381, 1678758), (498, 1284351), (747, 856234), (762, 839379), (1143, 559586), (1494, 428117), (2286, 279793), (3371, 189738), (6742, 94869), (10113, 63246), (10541, 60678), (20226, 31623), (21082, 30339)]