221791112

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{1697}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 455250780

約数和(自身を除く): 233459668

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 961, 1054, 1697, 1922, 2108, 3394, 3844, 4216, 6788, 7688, 13576, 16337, 28849, 32674, 52607, 57698, 65348, 105214, 115396, 130696, 210428, 230792, 420856, 894319, 1630817, 1788638, 3261634, 3577276, 6523268, 7154552, 13046536, 27723889, 55447778, 110895556, 221791112]

約数ペア:

[(1, 221791112), (2, 110895556), (4, 55447778), (8, 27723889), (17, 13046536), (31, 7154552), (34, 6523268), (62, 3577276), (68, 3261634), (124, 1788638), (136, 1630817), (248, 894319), (527, 420856), (961, 230792), (1054, 210428), (1697, 130696), (1922, 115396), (2108, 105214), (3394, 65348), (3844, 57698), (4216, 52607), (6788, 32674), (7688, 28849), (13576, 16337)]