78323329

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2\times {\mathrm{97}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 94907904

約数和(自身を除く): 16584575

約数列:

[1, 7, 31, 61, 97, 217, 427, 679, 1891, 3007, 3721, 5917, 13237, 21049, 26047, 41419, 115351, 183427, 360937, 807457, 1283989, 2526559, 11189047, 78323329]

約数ペア:

[(1, 78323329), (7, 11189047), (31, 2526559), (61, 1283989), (97, 807457), (217, 360937), (427, 183427), (679, 115351), (1891, 41419), (3007, 26047), (3721, 21049), (5917, 13237)]