209219989

素因数分解:

${\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{1193}}^1$

素因数の和:1460

約数の個数: 16

約数和(自身を含む): 232113600

約数和(自身を除く): 22893611

約数列:

[1, 11, 107, 149, 1177, 1193, 1639, 13123, 15943, 127651, 175373, 177757, 1404161, 1955327, 19019999, 209219989]

約数ペア:

[(1, 209219989), (11, 19019999), (107, 1955327), (149, 1404161), (1177, 177757), (1193, 175373), (1639, 127651), (13123, 15943)]