243902012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{20441}}^1$

素因数の和:20621

約数の個数: 24

約数和(自身を含む): 452177040

約数和(自身を除く): 208275028

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 2983, 5966, 11932, 20441, 40882, 81764, 388379, 776758, 1553516, 3209237, 6418474, 12836948, 60975503, 121951006, 243902012]

約数ペア:

[(1, 243902012), (2, 121951006), (4, 60975503), (19, 12836948), (38, 6418474), (76, 3209237), (157, 1553516), (314, 776758), (628, 388379), (2983, 81764), (5966, 40882), (11932, 20441)]