81360258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{13001}}^1$

素因数の和:13162

約数の個数: 32

約数和(自身を含む): 187228800

約数和(自身を除く): 105868542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 149, 298, 447, 894, 1043, 2086, 3129, 6258, 13001, 26002, 39003, 78006, 91007, 182014, 273021, 546042, 1937149, 3874298, 5811447, 11622894, 13560043, 27120086, 40680129, 81360258]

約数ペア:

[(1, 81360258), (2, 40680129), (3, 27120086), (6, 13560043), (7, 11622894), (14, 5811447), (21, 3874298), (42, 1937149), (149, 546042), (298, 273021), (447, 182014), (894, 91007), (1043, 78006), (2086, 39003), (3129, 26002), (6258, 13001)]