89012492

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{61643}}^1$

素因数の和:61685

約数の個数: 18

約数和(自身を含む): 164404548

約数和(自身を除く): 75392056

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 61643, 123286, 246572, 1171217, 2342434, 4684868, 22253123, 44506246, 89012492]

約数ペア:

[(1, 89012492), (2, 44506246), (4, 22253123), (19, 4684868), (38, 2342434), (76, 1171217), (361, 246572), (722, 123286), (1444, 61643)]