26458868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20479}}^1$

素因数の和:20519

約数の個数: 24

約数和(自身を含む): 51609600

約数和(自身を除く): 25150732

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 20479, 40958, 81916, 348143, 389101, 696286, 778202, 1392572, 1556404, 6614717, 13229434, 26458868]

約数ペア:

[(1, 26458868), (2, 13229434), (4, 6614717), (17, 1556404), (19, 1392572), (34, 778202), (38, 696286), (68, 389101), (76, 348143), (323, 81916), (646, 40958), (1292, 20479)]