82998985

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 100900800

約数和(自身を除く): 17901815

約数列:

[1, 5, 139, 307, 389, 695, 1535, 1945, 42673, 54071, 119423, 213365, 270355, 597115, 16599797, 82998985]

約数ペア:

[(1, 82998985), (5, 16599797), (139, 597115), (307, 270355), (389, 213365), (695, 119423), (1535, 54071), (1945, 42673)]