256893568

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{15803}}^1$

素因数の和:15944

約数の個数: 32

約数和(自身を含む): 515842560

約数和(自身を除く): 258948992

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 15803, 16256, 31606, 63212, 126424, 252848, 505696, 1011392, 2006981, 2022784, 4013962, 8027924, 16055848, 32111696, 64223392, 128446784, 256893568]

約数ペア:

[(1, 256893568), (2, 128446784), (4, 64223392), (8, 32111696), (16, 16055848), (32, 8027924), (64, 4013962), (127, 2022784), (128, 2006981), (254, 1011392), (508, 505696), (1016, 252848), (2032, 126424), (4064, 63212), (8128, 31606), (15803, 16256)]