189581678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21383}}^1$

素因数の和:21440

約数の個数: 32

約数和(自身を含む): 344881152

約数和(自身を除く): 155299474

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 4433, 8866, 21383, 42766, 235213, 277979, 470426, 555958, 662873, 1325746, 3057769, 6115538, 7291603, 8617349, 14583206, 17234698, 94790839, 189581678]

約数ペア:

[(1, 189581678), (2, 94790839), (11, 17234698), (13, 14583206), (22, 8617349), (26, 7291603), (31, 6115538), (62, 3057769), (143, 1325746), (286, 662873), (341, 555958), (403, 470426), (682, 277979), (806, 235213), (4433, 42766), (8866, 21383)]