81209916

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{16229}}^1$

素因数の和:16378

約数の個数: 36

約数和(自身を含む): 206770200

約数和(自身を除く): 125560284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 16229, 32458, 48687, 64916, 97374, 146061, 194748, 292122, 584244, 2255831, 4511662, 6767493, 9023324, 13534986, 20302479, 27069972, 40604958, 81209916]

約数ペア:

[(1, 81209916), (2, 40604958), (3, 27069972), (4, 20302479), (6, 13534986), (9, 9023324), (12, 6767493), (18, 4511662), (36, 2255831), (139, 584244), (278, 292122), (417, 194748), (556, 146061), (834, 97374), (1251, 64916), (1668, 48687), (2502, 32458), (5004, 16229)]