123947986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{40961}}^1$

素因数の和:41069

約数の個数: 16

約数和(自身を含む): 199075320

約数和(自身を除く): 75127334

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 40961, 81922, 696337, 1392674, 3645529, 7291058, 61973993, 123947986]

約数ペア:

[(1, 123947986), (2, 61973993), (17, 7291058), (34, 3645529), (89, 1392674), (178, 696337), (1513, 81922), (3026, 40961)]