28705078

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{12601}}^1$

素因数の和:12687

約数の個数: 16

約数和(自身を含む): 46274544

約数和(自身を除く): 17569466

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 12601, 25202, 214217, 428434, 844267, 1688534, 14352539, 28705078]

約数ペア:

[(1, 28705078), (2, 14352539), (17, 1688534), (34, 844267), (67, 428434), (134, 214217), (1139, 25202), (2278, 12601)]