278720464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{797}}^1\times {\mathrm{1987}}^1$

素因数の和:2803

約数の個数: 40

約数和(自身を含む): 590149728

約数和(自身を除く): 311429264

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 797, 1594, 1987, 3188, 3974, 6376, 7948, 8767, 12752, 15896, 17534, 21857, 31792, 35068, 43714, 70136, 87428, 140272, 174856, 349712, 1583639, 3167278, 6334556, 12669112, 17420029, 25338224, 34840058, 69680116, 139360232, 278720464]

約数ペア:

[(1, 278720464), (2, 139360232), (4, 69680116), (8, 34840058), (11, 25338224), (16, 17420029), (22, 12669112), (44, 6334556), (88, 3167278), (176, 1583639), (797, 349712), (1594, 174856), (1987, 140272), (3188, 87428), (3974, 70136), (6376, 43714), (7948, 35068), (8767, 31792), (12752, 21857), (15896, 17534)]