28689822

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 73958400

約数和(自身を除く): 45268578

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 994, 1069, 1278, 1491, 1917, 2138, 2982, 3207, 3834, 4473, 6414, 7483, 8946, 9621, 13419, 14966, 19242, 22449, 26838, 28863, 44898, 57726, 67347, 75899, 134694, 151798, 202041, 227697, 404082, 455394, 531293, 683091, 1062586, 1366182, 1593879, 2049273, 3187758, 4098546, 4781637, 9563274, 14344911, 28689822]

約数ペア:

[(1, 28689822), (2, 14344911), (3, 9563274), (6, 4781637), (7, 4098546), (9, 3187758), (14, 2049273), (18, 1593879), (21, 1366182), (27, 1062586), (42, 683091), (54, 531293), (63, 455394), (71, 404082), (126, 227697), (142, 202041), (189, 151798), (213, 134694), (378, 75899), (426, 67347), (497, 57726), (639, 44898), (994, 28863), (1069, 26838), (1278, 22449), (1491, 19242), (1917, 14966), (2138, 13419), (2982, 9621), (3207, 8946), (3834, 7483), (4473, 6414)]