81789710

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{36677}}^1$

素因数の和:36907

約数の個数: 16

約数和(自身を含む): 147885696

約数和(自身を除く): 66095986

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 36677, 73354, 183385, 366770, 8178971, 16357942, 40894855, 81789710]

約数ペア:

[(1, 81789710), (2, 40894855), (5, 16357942), (10, 8178971), (223, 366770), (446, 183385), (1115, 73354), (2230, 36677)]