247308313

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{39563}}^1$

素因数の和:39636

約数の個数: 16

約数和(自身を含む): 303851520

約数和(自身を除く): 56543207

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 39563, 276941, 751697, 1859461, 5261879, 13016227, 35329759, 247308313]

約数ペア:

[(1, 247308313), (7, 35329759), (19, 13016227), (47, 5261879), (133, 1859461), (329, 751697), (893, 276941), (6251, 39563)]