788790508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{17981}}^1$

素因数の和:18993

約数の個数: 24

約数和(自身を含む): 1507467024

約数和(自身を除く): 718676516

約数列:

[1, 2, 4, 11, 22, 44, 997, 1994, 3988, 10967, 17981, 21934, 35962, 43868, 71924, 197791, 395582, 791164, 17927057, 35854114, 71708228, 197197627, 394395254, 788790508]

約数ペア:

[(1, 788790508), (2, 394395254), (4, 197197627), (11, 71708228), (22, 35854114), (44, 17927057), (997, 791164), (1994, 395582), (3988, 197791), (10967, 71924), (17981, 43868), (21934, 35962)]