7891897

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 9072000

約数和(自身を除く): 1180103

約数列:

[1, 13, 19, 89, 247, 359, 1157, 1691, 4667, 6821, 21983, 31951, 88673, 415363, 607069, 7891897]

約数ペア:

[(1, 7891897), (13, 607069), (19, 415363), (89, 88673), (247, 31951), (359, 21983), (1157, 6821), (1691, 4667)]