400350148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{69457}}^1$

素因数の和:69603

約数の個数: 24

約数和(自身を含む): 770150304

約数和(自身を除く): 369800156

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 5764, 69457, 138914, 277828, 764027, 1528054, 3056108, 9098867, 18197734, 36395468, 100087537, 200175074, 400350148]

約数ペア:

[(1, 400350148), (2, 200175074), (4, 100087537), (11, 36395468), (22, 18197734), (44, 9098867), (131, 3056108), (262, 1528054), (524, 764027), (1441, 277828), (2882, 138914), (5764, 69457)]