221566181776

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{127044829}}^1$

素因数の和:127044946

約数の個数: 20

約数和(自身を含む): 433222870300

約数和(自身を除く): 211656688524

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 127044829, 254089658, 508179316, 1016358632, 2032717264, 13847886361, 27695772722, 55391545444, 110783090888, 221566181776]

約数ペア:

[(1, 221566181776), (2, 110783090888), (4, 55391545444), (8, 27695772722), (16, 13847886361), (109, 2032717264), (218, 1016358632), (436, 508179316), (872, 254089658), (1744, 127044829)]