81286655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{10831}}^1$

素因数の和:10934

約数の個数: 16

約数和(自身を含む): 103987200

約数和(自身を除く): 22700545

約数列:

[1, 5, 19, 79, 95, 395, 1501, 7505, 10831, 54155, 205789, 855649, 1028945, 4278245, 16257331, 81286655]

約数ペア:

[(1, 81286655), (5, 16257331), (19, 4278245), (79, 1028945), (95, 855649), (395, 205789), (1501, 54155), (7505, 10831)]