87709985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83933}}^1$

素因数の和:83968

約数の個数: 16

約数和(自身を含む): 120864960

約数和(自身を除く): 33154975

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 83933, 419665, 923263, 1594727, 4616315, 7973635, 17541997, 87709985]

約数ペア:

[(1, 87709985), (5, 17541997), (11, 7973635), (19, 4616315), (55, 1594727), (95, 923263), (209, 419665), (1045, 83933)]