1256397568

素因数分解:

$2^8\times {\mathrm{251}}^1\times {\mathrm{19553}}^1$

素因数の和:19820

約数の個数: 36

約数和(自身を含む): 2518007688

約数和(自身を除く): 1261610120

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 256, 502, 1004, 2008, 4016, 8032, 16064, 19553, 32128, 39106, 64256, 78212, 156424, 312848, 625696, 1251392, 2502784, 4907803, 5005568, 9815606, 19631212, 39262424, 78524848, 157049696, 314099392, 628198784, 1256397568]

約数ペア:

[(1, 1256397568), (2, 628198784), (4, 314099392), (8, 157049696), (16, 78524848), (32, 39262424), (64, 19631212), (128, 9815606), (251, 5005568), (256, 4907803), (502, 2502784), (1004, 1251392), (2008, 625696), (4016, 312848), (8032, 156424), (16064, 78212), (19553, 64256), (32128, 39106)]