399256885

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{27337}}^1$

素因数の和:27492

約数の個数: 16

約数和(自身を含む): 503894016

約数和(自身を除く): 104637131

約数列:

[1, 5, 23, 115, 127, 635, 2921, 14605, 27337, 136685, 628751, 3143755, 3471799, 17358995, 79851377, 399256885]

約数ペア:

[(1, 399256885), (5, 79851377), (23, 17358995), (115, 3471799), (127, 3143755), (635, 628751), (2921, 136685), (14605, 27337)]