78173879

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 96422400

約数和(自身を除く): 18248521

約数列:

[1, 7, 29, 59, 61, 107, 203, 413, 427, 749, 1711, 1769, 3103, 3599, 6313, 6527, 11977, 12383, 21721, 25193, 44191, 45689, 104371, 183077, 189283, 385093, 730597, 1281539, 1324981, 2695651, 11167697, 78173879]

約数ペア:

[(1, 78173879), (7, 11167697), (29, 2695651), (59, 1324981), (61, 1281539), (107, 730597), (203, 385093), (413, 189283), (427, 183077), (749, 104371), (1711, 45689), (1769, 44191), (3103, 25193), (3599, 21721), (6313, 12383), (6527, 11977)]