28131976

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1543}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 55028160

約数和(自身を除く): 26896184

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 1543, 2279, 3086, 4558, 6172, 9116, 12344, 18232, 66349, 81779, 132698, 163558, 265396, 327116, 530792, 654232, 3516497, 7032994, 14065988, 28131976]

約数ペア:

[(1, 28131976), (2, 14065988), (4, 7032994), (8, 3516497), (43, 654232), (53, 530792), (86, 327116), (106, 265396), (172, 163558), (212, 132698), (344, 81779), (424, 66349), (1543, 18232), (2279, 12344), (3086, 9116), (4558, 6172)]