129705928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{3889}}^1$

素因数の和:4285

約数の個数: 32

約数和(自身を含む): 266076000

約数和(自身を除く): 136370072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 379, 758, 1516, 3032, 3889, 4169, 7778, 8338, 15556, 16676, 31112, 33352, 42779, 85558, 171116, 342232, 1473931, 2947862, 5895724, 11791448, 16213241, 32426482, 64852964, 129705928]

約数ペア:

[(1, 129705928), (2, 64852964), (4, 32426482), (8, 16213241), (11, 11791448), (22, 5895724), (44, 2947862), (88, 1473931), (379, 342232), (758, 171116), (1516, 85558), (3032, 42779), (3889, 33352), (4169, 31112), (7778, 16676), (8338, 15556)]