28003756

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{57859}}^1$

素因数の和:57885

約数の個数: 18

約数和(自身を含む): 53867660

約数和(自身を除く): 25863904

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 57859, 115718, 231436, 636449, 1272898, 2545796, 7000939, 14001878, 28003756]

約数ペア:

[(1, 28003756), (2, 14001878), (4, 7000939), (11, 2545796), (22, 1272898), (44, 636449), (121, 231436), (242, 115718), (484, 57859)]