219941449

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1789}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 277113480

約数和(自身を除く): 57172031

約数列:

[1, 7, 13, 49, 91, 193, 637, 1351, 1789, 2509, 9457, 12523, 17563, 23257, 87661, 122941, 162799, 345277, 1139593, 2416939, 4488601, 16918573, 31420207, 219941449]

約数ペア:

[(1, 219941449), (7, 31420207), (13, 16918573), (49, 4488601), (91, 2416939), (193, 1139593), (637, 345277), (1351, 162799), (1789, 122941), (2509, 87661), (9457, 23257), (12523, 17563)]