2172656

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:800

約数の個数: 20

約数和(自身を含む): 4234104

約数和(自身を除く): 2061448

約数列:

[1, 2, 4, 8, 16, 251, 502, 541, 1004, 1082, 2008, 2164, 4016, 4328, 8656, 135791, 271582, 543164, 1086328, 2172656]

約数ペア:

[(1, 2172656), (2, 1086328), (4, 543164), (8, 271582), (16, 135791), (251, 8656), (502, 4328), (541, 4016), (1004, 2164), (1082, 2008)]