213801974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{42641}}^1$

素因数の和:42775

約数の個数: 16

約数和(自身を含む): 337724640

約数和(自身を除く): 123922666

約数列:

[1, 2, 23, 46, 109, 218, 2507, 5014, 42641, 85282, 980743, 1961486, 4647869, 9295738, 106900987, 213801974]

約数ペア:

[(1, 213801974), (2, 106900987), (23, 9295738), (46, 4647869), (109, 1961486), (218, 980743), (2507, 85282), (5014, 42641)]