278328364

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{313}}^1\times {\mathrm{1697}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 492650928

約数和(自身を除く): 214322564

約数列:

[1, 2, 4, 131, 262, 313, 524, 626, 1252, 1697, 3394, 6788, 41003, 82006, 164012, 222307, 444614, 531161, 889228, 1062322, 2124644, 69582091, 139164182, 278328364]

約数ペア:

[(1, 278328364), (2, 139164182), (4, 69582091), (131, 2124644), (262, 1062322), (313, 889228), (524, 531161), (626, 444614), (1252, 222307), (1697, 164012), (3394, 82006), (6788, 41003)]