7131157789

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 8375786496

約数和(自身を除く): 1244628707

約数列:

[1, 7, 73, 131, 307, 347, 511, 917, 2149, 2429, 9563, 22411, 25331, 40217, 45457, 66941, 106529, 156877, 177317, 281519, 318199, 745703, 2935841, 3318361, 7776617, 13955299, 20550887, 23228527, 54436319, 97687093, 1018736827, 7131157789]

約数ペア:

[(1, 7131157789), (7, 1018736827), (73, 97687093), (131, 54436319), (307, 23228527), (347, 20550887), (511, 13955299), (917, 7776617), (2149, 3318361), (2429, 2935841), (9563, 745703), (22411, 318199), (25331, 281519), (40217, 177317), (45457, 156877), (66941, 106529)]