28517518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{5399}}^1$

素因数の和:5559

約数の個数: 16

約数和(自身を含む): 45360000

約数和(自身を除く): 16842482

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 5399, 10798, 102581, 205162, 750461, 1500922, 14258759, 28517518]

約数ペア:

[(1, 28517518), (2, 14258759), (19, 1500922), (38, 750461), (139, 205162), (278, 102581), (2641, 10798), (5282, 5399)]