989144848

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{62383}}^1$

素因数の和:63382

約数の個数: 20

約数和(自身を含む): 1918432768

約数和(自身を除く): 929287920

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 15856, 62383, 124766, 249532, 499064, 998128, 61821553, 123643106, 247286212, 494572424, 989144848]

約数ペア:

[(1, 989144848), (2, 494572424), (4, 247286212), (8, 123643106), (16, 61821553), (991, 998128), (1982, 499064), (3964, 249532), (7928, 124766), (15856, 62383)]