320844013

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1373}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 394722720

約数和(自身を除く): 73878707

約数列:

[1, 7, 19, 49, 133, 251, 931, 1373, 1757, 4769, 9611, 12299, 26087, 33383, 67277, 182609, 233681, 344623, 1278263, 2412361, 6547837, 16886527, 45834859, 320844013]

約数ペア:

[(1, 320844013), (7, 45834859), (19, 16886527), (49, 6547837), (133, 2412361), (251, 1278263), (931, 344623), (1373, 233681), (1757, 182609), (4769, 67277), (9611, 33383), (12299, 26087)]