28031998

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{1609}}^1$

素因数の和:1923

約数の個数: 16

約数和(自身を含む): 43585920

約数和(自身を除く): 15553922

約数列:

[1, 2, 31, 62, 281, 562, 1609, 3218, 8711, 17422, 49879, 99758, 452129, 904258, 14015999, 28031998]

約数ペア:

[(1, 28031998), (2, 14015999), (31, 904258), (62, 452129), (281, 99758), (562, 49879), (1609, 17422), (3218, 8711)]