28678604

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{100981}}^1$

素因数の和:101056

約数の個数: 12

約数和(自身を含む): 50894928

約数和(自身を除く): 22216324

約数列:

[1, 2, 4, 71, 142, 284, 100981, 201962, 403924, 7169651, 14339302, 28678604]

約数ペア:

[(1, 28678604), (2, 14339302), (4, 7169651), (71, 403924), (142, 201962), (284, 100981)]