290556854

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{7331}}^1$

素因数の和:7508

約数の個数: 32

約数和(自身を含む): 527904000

約数和(自身を除く): 237347146

約数列:

[1, 2, 7, 14, 19, 38, 133, 149, 266, 298, 1043, 2086, 2831, 5662, 7331, 14662, 19817, 39634, 51317, 102634, 139289, 278578, 975023, 1092319, 1950046, 2184638, 7646233, 15292466, 20754061, 41508122, 145278427, 290556854]

約数ペア:

[(1, 290556854), (2, 145278427), (7, 41508122), (14, 20754061), (19, 15292466), (38, 7646233), (133, 2184638), (149, 1950046), (266, 1092319), (298, 975023), (1043, 278578), (2086, 139289), (2831, 102634), (5662, 51317), (7331, 39634), (14662, 19817)]