27899770

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4339}}^1$

素因数の和:4989

約数の個数: 16

約数和(自身を含む): 50309280

約数和(自身を除く): 22409510

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 4339, 6430, 8678, 21695, 43390, 2789977, 5579954, 13949885, 27899770]

約数ペア:

[(1, 27899770), (2, 13949885), (5, 5579954), (10, 2789977), (643, 43390), (1286, 21695), (3215, 8678), (4339, 6430)]