78417921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{5231}}^1$

素因数の和:5516

約数の個数: 16

約数和(自身を含む): 110499840

約数和(自身を除く): 32081919

約数列:

[1, 3, 19, 57, 263, 789, 4997, 5231, 14991, 15693, 99389, 298167, 1375753, 4127259, 26139307, 78417921]

約数ペア:

[(1, 78417921), (3, 26139307), (19, 4127259), (57, 1375753), (263, 298167), (789, 99389), (4997, 15693), (5231, 14991)]