17772722

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{271}}^2$

素因数の和:566

約数の個数: 18

約数和(自身を含む): 29411487

約数和(自身を除く): 11638765

約数列:

[1, 2, 11, 22, 121, 242, 271, 542, 2981, 5962, 32791, 65582, 73441, 146882, 807851, 1615702, 8886361, 17772722]

約数ペア:

[(1, 17772722), (2, 8886361), (11, 1615702), (22, 807851), (121, 146882), (242, 73441), (271, 65582), (542, 32791), (2981, 5962)]