311939846

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 502364160

約数和(自身を除く): 190424314

約数列:

[1, 2, 23, 46, 47, 94, 157, 314, 919, 1081, 1838, 2162, 3611, 7222, 7379, 14758, 21137, 42274, 43193, 86386, 144283, 169717, 288566, 339434, 993439, 1986878, 3318509, 6637018, 6781301, 13562602, 155969923, 311939846]

約数ペア:

[(1, 311939846), (2, 155969923), (23, 13562602), (46, 6781301), (47, 6637018), (94, 3318509), (157, 1986878), (314, 993439), (919, 339434), (1081, 288566), (1838, 169717), (2162, 144283), (3611, 86386), (7222, 43193), (7379, 42274), (14758, 21137)]