28878916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1559}}^1$

素因数の和:1995

約数の個数: 24

約数和(自身を含む): 55298880

約数和(自身を除く): 26419964

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1559, 1684, 3118, 4631, 6236, 9262, 17149, 18524, 34298, 68596, 656339, 1312678, 2625356, 7219729, 14439458, 28878916]

約数ペア:

[(1, 28878916), (2, 14439458), (4, 7219729), (11, 2625356), (22, 1312678), (44, 656339), (421, 68596), (842, 34298), (1559, 18524), (1684, 17149), (3118, 9262), (4631, 6236)]