7809858

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 80

約数和(自身を含む): 20490624

約数和(自身を除く): 12680766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 97, 126, 142, 162, 189, 194, 213, 291, 378, 426, 497, 567, 582, 639, 679, 873, 994, 1134, 1278, 1358, 1491, 1746, 1917, 2037, 2619, 2982, 3834, 4074, 4473, 5238, 5751, 6111, 6887, 7857, 8946, 11502, 12222, 13419, 13774, 15714, 18333, 20661, 26838, 36666, 40257, 41322, 48209, 54999, 61983, 80514, 96418, 109998, 123966, 144627, 185949, 289254, 371898, 433881, 557847, 867762, 1115694, 1301643, 2603286, 3904929, 7809858]

約数ペア:

[(1, 7809858), (2, 3904929), (3, 2603286), (6, 1301643), (7, 1115694), (9, 867762), (14, 557847), (18, 433881), (21, 371898), (27, 289254), (42, 185949), (54, 144627), (63, 123966), (71, 109998), (81, 96418), (97, 80514), (126, 61983), (142, 54999), (162, 48209), (189, 41322), (194, 40257), (213, 36666), (291, 26838), (378, 20661), (426, 18333), (497, 15714), (567, 13774), (582, 13419), (639, 12222), (679, 11502), (873, 8946), (994, 7857), (1134, 6887), (1278, 6111), (1358, 5751), (1491, 5238), (1746, 4473), (1917, 4074), (2037, 3834), (2619, 2982)]