311926489

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 388475136

約数和(自身を除く): 76548647

約数列:

[1, 7, 17, 61, 97, 119, 427, 443, 679, 1037, 1649, 3101, 5917, 7259, 7531, 11543, 27023, 41419, 42971, 52717, 100589, 189161, 300797, 459391, 704123, 730507, 2621231, 3215737, 5113549, 18348617, 44560927, 311926489]

約数ペア:

[(1, 311926489), (7, 44560927), (17, 18348617), (61, 5113549), (97, 3215737), (119, 2621231), (427, 730507), (443, 704123), (679, 459391), (1037, 300797), (1649, 189161), (3101, 100589), (5917, 52717), (7259, 42971), (7531, 41419), (11543, 27023)]