28457142

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2251}}^1$

素因数の和:2313

約数の個数: 48

約数和(自身を含む): 67776192

約数和(自身を除く): 39319050

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1806, 2107, 2251, 4214, 4502, 6321, 6753, 12642, 13506, 15757, 31514, 47271, 94542, 96793, 110299, 193586, 220598, 290379, 330897, 580758, 661794, 677551, 1355102, 2032653, 4065306, 4742857, 9485714, 14228571, 28457142]

約数ペア:

[(1, 28457142), (2, 14228571), (3, 9485714), (6, 4742857), (7, 4065306), (14, 2032653), (21, 1355102), (42, 677551), (43, 661794), (49, 580758), (86, 330897), (98, 290379), (129, 220598), (147, 193586), (258, 110299), (294, 96793), (301, 94542), (602, 47271), (903, 31514), (1806, 15757), (2107, 13506), (2251, 12642), (4214, 6753), (4502, 6321)]