1261891638728

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{89776013}}^1$

素因数の和:89776277

約数の個数: 32

約数和(自身を含む): 2714826663360

約数和(自身を除く): 1452935024632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1757, 2008, 3514, 7028, 14056, 89776013, 179552026, 359104052, 628432091, 718208104, 1256864182, 2513728364, 5027456728, 22533779263, 45067558526, 90135117052, 157736454841, 180270234104, 315472909682, 630945819364, 1261891638728]

約数ペア:

[(1, 1261891638728), (2, 630945819364), (4, 315472909682), (7, 180270234104), (8, 157736454841), (14, 90135117052), (28, 45067558526), (56, 22533779263), (251, 5027456728), (502, 2513728364), (1004, 1256864182), (1757, 718208104), (2008, 628432091), (3514, 359104052), (7028, 179552026), (14056, 89776013)]