256311424

素因数分解:

$2^7\times {\mathrm{277}}^1\times {\mathrm{7229}}^1$

素因数の和:7520

約数の個数: 32

約数和(自身を含む): 512534700

約数和(自身を除く): 256223276

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 277, 554, 1108, 2216, 4432, 7229, 8864, 14458, 17728, 28916, 35456, 57832, 115664, 231328, 462656, 925312, 2002433, 4004866, 8009732, 16019464, 32038928, 64077856, 128155712, 256311424]

約数ペア:

[(1, 256311424), (2, 128155712), (4, 64077856), (8, 32038928), (16, 16019464), (32, 8009732), (64, 4004866), (128, 2002433), (277, 925312), (554, 462656), (1108, 231328), (2216, 115664), (4432, 57832), (7229, 35456), (8864, 28916), (14458, 17728)]