39931642

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 60681600

約数和(自身を除く): 20749958

約数列:

[1, 2, 139, 239, 278, 478, 601, 1202, 33221, 66442, 83539, 143639, 167078, 287278, 19965821, 39931642]

約数ペア:

[(1, 39931642), (2, 19965821), (139, 287278), (239, 167078), (278, 143639), (478, 83539), (601, 66442), (1202, 33221)]