81312628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{34513}}^1$

素因数の和:34567

約数の個数: 24

約数和(自身を含む): 154622720

約数和(自身を除く): 73310092

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 34513, 69026, 138052, 655747, 1069903, 1311494, 2139806, 2622988, 4279612, 20328157, 40656314, 81312628]

約数ペア:

[(1, 81312628), (2, 40656314), (4, 20328157), (19, 4279612), (31, 2622988), (38, 2139806), (62, 1311494), (76, 1069903), (124, 655747), (589, 138052), (1178, 69026), (2356, 34513)]