216973009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{5749}}^1$

素因数の和:5880

約数の個数: 16

約数和(自身を含む): 245088000

約数和(自身を除く): 28114991

約数列:

[1, 11, 47, 73, 517, 803, 3431, 5749, 37741, 63239, 270203, 419677, 2972233, 4616447, 19724819, 216973009]

約数ペア:

[(1, 216973009), (11, 19724819), (47, 4616447), (73, 2972233), (517, 419677), (803, 270203), (3431, 63239), (5749, 37741)]