247740590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{5581}}^1$

素因数の和:5804

約数の個数: 32

約数和(自身を含む): 467816256

約数和(自身を除く): 220075666

約数列:

[1, 2, 5, 10, 23, 46, 115, 193, 230, 386, 965, 1930, 4439, 5581, 8878, 11162, 22195, 27905, 44390, 55810, 128363, 256726, 641815, 1077133, 1283630, 2154266, 5385665, 10771330, 24774059, 49548118, 123870295, 247740590]

約数ペア:

[(1, 247740590), (2, 123870295), (5, 49548118), (10, 24774059), (23, 10771330), (46, 5385665), (115, 2154266), (193, 1283630), (230, 1077133), (386, 641815), (965, 256726), (1930, 128363), (4439, 55810), (5581, 44390), (8878, 27905), (11162, 22195)]