27889988

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21193}}^1$

素因数の和:21251

約数の個数: 24

約数和(自身を含む): 56969472

約数和(自身を除く): 29079484

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 21193, 42386, 84772, 148351, 296702, 593404, 996071, 1992142, 3984284, 6972497, 13944994, 27889988]

約数ペア:

[(1, 27889988), (2, 13944994), (4, 6972497), (7, 3984284), (14, 1992142), (28, 996071), (47, 593404), (94, 296702), (188, 148351), (329, 84772), (658, 42386), (1316, 21193)]