168409818

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2591}}^1$

素因数の和:2779

約数の個数: 48

約数和(自身を含む): 383325696

約数和(自身を除く): 214915878

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 157, 207, 314, 414, 471, 942, 1413, 2591, 2826, 3611, 5182, 7222, 7773, 10833, 15546, 21666, 23319, 32499, 46638, 59593, 64998, 119186, 178779, 357558, 406787, 536337, 813574, 1072674, 1220361, 2440722, 3661083, 7322166, 9356101, 18712202, 28068303, 56136606, 84204909, 168409818]

約数ペア:

[(1, 168409818), (2, 84204909), (3, 56136606), (6, 28068303), (9, 18712202), (18, 9356101), (23, 7322166), (46, 3661083), (69, 2440722), (138, 1220361), (157, 1072674), (207, 813574), (314, 536337), (414, 406787), (471, 357558), (942, 178779), (1413, 119186), (2591, 64998), (2826, 59593), (3611, 46638), (5182, 32499), (7222, 23319), (7773, 21666), (10833, 15546)]