28728588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4817}}^1$

素因数の和:4902

約数の個数: 48

約数和(自身を含む): 77704704

約数和(自身を除く): 48976116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 4817, 5964, 9634, 14451, 19268, 28902, 33719, 57804, 67438, 101157, 134876, 202314, 342007, 404628, 684014, 1026021, 1368028, 2052042, 2394049, 4104084, 4788098, 7182147, 9576196, 14364294, 28728588]

約数ペア:

[(1, 28728588), (2, 14364294), (3, 9576196), (4, 7182147), (6, 4788098), (7, 4104084), (12, 2394049), (14, 2052042), (21, 1368028), (28, 1026021), (42, 684014), (71, 404628), (84, 342007), (142, 202314), (213, 134876), (284, 101157), (426, 67438), (497, 57804), (852, 33719), (994, 28902), (1491, 19268), (1988, 14451), (2982, 9634), (4817, 5964)]