127978136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{111869}}^1$

素因数の和:111899

約数の個数: 32

約数和(自身を含む): 281912400

約数和(自身を除く): 153934264

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 111869, 223738, 447476, 894952, 1230559, 1454297, 2461118, 2908594, 4922236, 5817188, 9844472, 11634376, 15997267, 31994534, 63989068, 127978136]

約数ペア:

[(1, 127978136), (2, 63989068), (4, 31994534), (8, 15997267), (11, 11634376), (13, 9844472), (22, 5817188), (26, 4922236), (44, 2908594), (52, 2461118), (88, 1454297), (104, 1230559), (143, 894952), (286, 447476), (572, 223738), (1144, 111869)]