28721776

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{13103}}^1$

素因数の和:13248

約数の個数: 20

約数和(自身を含む): 56058912

約数和(自身を除く): 27337136

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 13103, 26206, 52412, 104824, 209648, 1795111, 3590222, 7180444, 14360888, 28721776]

約数ペア:

[(1, 28721776), (2, 14360888), (4, 7180444), (8, 3590222), (16, 1795111), (137, 209648), (274, 104824), (548, 52412), (1096, 26206), (2192, 13103)]