279790147

素因数分解:

$7^2\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 371165760

約数和(自身を除く): 91375613

約数列:

[1, 7, 13, 23, 49, 91, 113, 161, 169, 299, 637, 791, 1127, 1183, 1469, 2093, 2197, 2599, 3887, 5537, 8281, 10283, 14651, 15379, 18193, 19097, 27209, 33787, 50531, 71981, 107653, 127351, 133679, 190463, 236509, 248261, 353717, 439231, 935753, 1655563, 1737827, 2476019, 3074617, 5710003, 12164789, 21522319, 39970021, 279790147]

約数ペア:

[(1, 279790147), (7, 39970021), (13, 21522319), (23, 12164789), (49, 5710003), (91, 3074617), (113, 2476019), (161, 1737827), (169, 1655563), (299, 935753), (637, 439231), (791, 353717), (1127, 248261), (1183, 236509), (1469, 190463), (2093, 133679), (2197, 127351), (2599, 107653), (3887, 71981), (5537, 50531), (8281, 33787), (10283, 27209), (14651, 19097), (15379, 18193)]