305442

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:318

約数の個数: 24

約数和(自身を含む): 673920

約数和(自身を除く): 368478

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 239, 426, 478, 639, 717, 1278, 1434, 2151, 4302, 16969, 33938, 50907, 101814, 152721, 305442]

約数ペア:

[(1, 305442), (2, 152721), (3, 101814), (6, 50907), (9, 33938), (18, 16969), (71, 4302), (142, 2151), (213, 1434), (239, 1278), (426, 717), (478, 639)]