127978613

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{1319}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 149022720

約数和(自身を除く): 21044107

約数列:

[1, 7, 83, 167, 581, 1169, 1319, 9233, 13861, 97027, 109477, 220273, 766339, 1541911, 18282659, 127978613]

約数ペア:

[(1, 127978613), (7, 18282659), (83, 1541911), (167, 766339), (581, 220273), (1169, 109477), (1319, 97027), (9233, 13861)]