497788668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{211}}^1$

素因数の和:376

約数の個数: 108

約数和(自身を含む): 1380959944

約数和(自身を除く): 883171276

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 211, 213, 234, 284, 422, 426, 468, 633, 639, 844, 852, 923, 1266, 1278, 1846, 1899, 2532, 2556, 2743, 2769, 3692, 3798, 5041, 5486, 5538, 7596, 8229, 8307, 10082, 10972, 11076, 14981, 15123, 16458, 16614, 20164, 24687, 29962, 30246, 32916, 33228, 44943, 45369, 49374, 59924, 60492, 65533, 89886, 90738, 98748, 131066, 134829, 179772, 181476, 194753, 196599, 262132, 269658, 389506, 393198, 539316, 584259, 589797, 779012, 786396, 1063651, 1168518, 1179594, 1752777, 2127302, 2337036, 2359188, 3190953, 3505554, 4254604, 6381906, 7011108, 9572859, 12763812, 13827463, 19145718, 27654926, 38291436, 41482389, 55309852, 82964778, 124447167, 165929556, 248894334, 497788668]

約数ペア:

[(1, 497788668), (2, 248894334), (3, 165929556), (4, 124447167), (6, 82964778), (9, 55309852), (12, 41482389), (13, 38291436), (18, 27654926), (26, 19145718), (36, 13827463), (39, 12763812), (52, 9572859), (71, 7011108), (78, 6381906), (117, 4254604), (142, 3505554), (156, 3190953), (211, 2359188), (213, 2337036), (234, 2127302), (284, 1752777), (422, 1179594), (426, 1168518), (468, 1063651), (633, 786396), (639, 779012), (844, 589797), (852, 584259), (923, 539316), (1266, 393198), (1278, 389506), (1846, 269658), (1899, 262132), (2532, 196599), (2556, 194753), (2743, 181476), (2769, 179772), (3692, 134829), (3798, 131066), (5041, 98748), (5486, 90738), (5538, 89886), (7596, 65533), (8229, 60492), (8307, 59924), (10082, 49374), (10972, 45369), (11076, 44943), (14981, 33228), (15123, 32916), (16458, 30246), (16614, 29962), (20164, 24687)]