28764078

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 67371264

約数和(自身を除く): 38607186

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 227, 294, 431, 454, 681, 862, 1293, 1362, 1589, 2586, 3017, 3178, 4767, 6034, 9051, 9534, 11123, 18102, 21119, 22246, 33369, 42238, 63357, 66738, 97837, 126714, 195674, 293511, 587022, 684859, 1369718, 2054577, 4109154, 4794013, 9588026, 14382039, 28764078]

約数ペア:

[(1, 28764078), (2, 14382039), (3, 9588026), (6, 4794013), (7, 4109154), (14, 2054577), (21, 1369718), (42, 684859), (49, 587022), (98, 293511), (147, 195674), (227, 126714), (294, 97837), (431, 66738), (454, 63357), (681, 42238), (862, 33369), (1293, 22246), (1362, 21119), (1589, 18102), (2586, 11123), (3017, 9534), (3178, 9051), (4767, 6034)]