201638774

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{4639}}^1$

素因数の和:4955

約数の個数: 16

約数和(自身を含む): 306908160

約数和(自身を除く): 105269386

約数列:

[1, 2, 103, 206, 211, 422, 4639, 9278, 21733, 43466, 477817, 955634, 978829, 1957658, 100819387, 201638774]

約数ペア:

[(1, 201638774), (2, 100819387), (103, 1957658), (206, 978829), (211, 955634), (422, 477817), (4639, 43466), (9278, 21733)]