2991379

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 16

約数和(自身を含む): 3348000

約数和(自身を除く): 356621

約数列:

[1, 19, 29, 61, 89, 551, 1159, 1691, 1769, 2581, 5429, 33611, 49039, 103151, 157441, 2991379]

約数ペア:

[(1, 2991379), (19, 157441), (29, 103151), (61, 49039), (89, 33611), (551, 5429), (1159, 2581), (1691, 1769)]