28391370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{135197}}^1$

素因数の和:135214

約数の個数: 32

約数和(自身を含む): 77874048

約数和(自身を除く): 49482678

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 135197, 270394, 405591, 675985, 811182, 946379, 1351970, 1892758, 2027955, 2839137, 4055910, 4731895, 5678274, 9463790, 14195685, 28391370]

約数ペア:

[(1, 28391370), (2, 14195685), (3, 9463790), (5, 5678274), (6, 4731895), (7, 4055910), (10, 2839137), (14, 2027955), (15, 1892758), (21, 1351970), (30, 946379), (35, 811182), (42, 675985), (70, 405591), (105, 270394), (210, 135197)]