138790864

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{63317}}^1$

素因数の和:63462

約数の個数: 20

約数和(自身を含む): 270874404

約数和(自身を除く): 132083540

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 63317, 126634, 253268, 506536, 1013072, 8674429, 17348858, 34697716, 69395432, 138790864]

約数ペア:

[(1, 138790864), (2, 69395432), (4, 34697716), (8, 17348858), (16, 8674429), (137, 1013072), (274, 506536), (548, 253268), (1096, 126634), (2192, 63317)]