28972686

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2957}}^1$

素因数の和:3056

約数の個数: 32

約数和(自身を含む): 61337088

約数和(自身を除く): 32364402

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 2957, 3266, 4899, 5914, 8871, 9798, 17742, 68011, 136022, 204033, 209947, 408066, 419894, 629841, 1259682, 4828781, 9657562, 14486343, 28972686]

約数ペア:

[(1, 28972686), (2, 14486343), (3, 9657562), (6, 4828781), (23, 1259682), (46, 629841), (69, 419894), (71, 408066), (138, 209947), (142, 204033), (213, 136022), (426, 68011), (1633, 17742), (2957, 9798), (3266, 8871), (4899, 5914)]