25920784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 53534520

約数和(自身を除く): 27613736

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 233, 272, 409, 466, 818, 932, 1636, 1864, 3272, 3728, 3961, 6544, 6953, 7922, 13906, 15844, 27812, 31688, 55624, 63376, 95297, 111248, 190594, 381188, 762376, 1524752, 1620049, 3240098, 6480196, 12960392, 25920784]

約数ペア:

[(1, 25920784), (2, 12960392), (4, 6480196), (8, 3240098), (16, 1620049), (17, 1524752), (34, 762376), (68, 381188), (136, 190594), (233, 111248), (272, 95297), (409, 63376), (466, 55624), (818, 31688), (932, 27812), (1636, 15844), (1864, 13906), (3272, 7922), (3728, 6953), (3961, 6544)]