208040861

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1\times {\mathrm{1279}}^1$

素因数の和:2528

約数の個数: 16

約数和(自身を含む): 250675200

約数和(自身を除く): 42634339

約数列:

[1, 7, 19, 133, 1223, 1279, 8561, 8953, 23237, 24301, 162659, 170107, 1564217, 10949519, 29720123, 208040861]

約数ペア:

[(1, 208040861), (7, 29720123), (19, 10949519), (133, 1564217), (1223, 170107), (1279, 162659), (8561, 24301), (8953, 23237)]