1218312277

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1\times {\mathrm{821}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 1568770560

約数和(自身を除く): 350458283

約数列:

[1, 7, 13, 23, 91, 161, 299, 709, 821, 2093, 4963, 5747, 9217, 10673, 16307, 18883, 64519, 74711, 114149, 132181, 211991, 245479, 582089, 1483937, 1718353, 4074623, 7567157, 13388047, 52970099, 93716329, 174044611, 1218312277]

約数ペア:

[(1, 1218312277), (7, 174044611), (13, 93716329), (23, 52970099), (91, 13388047), (161, 7567157), (299, 4074623), (709, 1718353), (821, 1483937), (2093, 582089), (4963, 245479), (5747, 211991), (9217, 132181), (10673, 114149), (16307, 74711), (18883, 64519)]