228678868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{472477}}^1$

素因数の和:472503

約数の個数: 18

約数和(自身を含む): 439877018

約数和(自身を除く): 211198150

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 472477, 944954, 1889908, 5197247, 10394494, 20788988, 57169717, 114339434, 228678868]

約数ペア:

[(1, 228678868), (2, 114339434), (4, 57169717), (11, 20788988), (22, 10394494), (44, 5197247), (121, 1889908), (242, 944954), (484, 472477)]