680826601

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3823}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 890839040

約数和(自身を除く): 210012439

約数列:

[1, 7, 13, 19, 91, 103, 133, 247, 721, 1339, 1729, 1957, 3823, 9373, 13699, 25441, 26761, 49699, 72637, 178087, 347893, 393769, 508459, 944281, 2756383, 5118997, 6609967, 7481611, 35832979, 52371277, 97260943, 680826601]

約数ペア:

[(1, 680826601), (7, 97260943), (13, 52371277), (19, 35832979), (91, 7481611), (103, 6609967), (133, 5118997), (247, 2756383), (721, 944281), (1339, 508459), (1729, 393769), (1957, 347893), (3823, 178087), (9373, 72637), (13699, 49699), (25441, 26761)]