7788385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 11145600

約数和(自身を除く): 3357215

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 257, 319, 551, 1045, 1285, 1595, 2755, 2827, 4883, 6061, 7453, 14135, 24415, 30305, 37265, 53713, 81983, 141607, 268565, 409915, 708035, 1557677, 7788385]

約数ペア:

[(1, 7788385), (5, 1557677), (11, 708035), (19, 409915), (29, 268565), (55, 141607), (95, 81983), (145, 53713), (209, 37265), (257, 30305), (319, 24415), (551, 14135), (1045, 7453), (1285, 6061), (1595, 4883), (2755, 2827)]