28260524

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19571}}^1$

素因数の和:19613

約数の個数: 18

約数和(自身を含む): 52198524

約数和(自身を除く): 23938000

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19571, 39142, 78284, 371849, 743698, 1487396, 7065131, 14130262, 28260524]

約数ペア:

[(1, 28260524), (2, 14130262), (4, 7065131), (19, 1487396), (38, 743698), (76, 371849), (361, 78284), (722, 39142), (1444, 19571)]