26639170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 51030000

約数和(自身を除く): 24390830

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 349, 449, 698, 898, 1745, 2245, 3490, 4490, 5933, 7633, 11866, 15266, 29665, 38165, 59330, 76330, 156701, 313402, 783505, 1567010, 2663917, 5327834, 13319585, 26639170]

約数ペア:

[(1, 26639170), (2, 13319585), (5, 5327834), (10, 2663917), (17, 1567010), (34, 783505), (85, 313402), (170, 156701), (349, 76330), (449, 59330), (698, 38165), (898, 29665), (1745, 15266), (2245, 11866), (3490, 7633), (4490, 5933)]