257694784

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{56711}}^1$

素因数の和:56794

約数の個数: 28

約数和(自身を含む): 518574528

約数和(自身を除く): 260879744

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 56711, 113422, 226844, 453688, 907376, 1814752, 3629504, 4026481, 8052962, 16105924, 32211848, 64423696, 128847392, 257694784]

約数ペア:

[(1, 257694784), (2, 128847392), (4, 64423696), (8, 32211848), (16, 16105924), (32, 8052962), (64, 4026481), (71, 3629504), (142, 1814752), (284, 907376), (568, 453688), (1136, 226844), (2272, 113422), (4544, 56711)]