87768805

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{17749}}^1$

素因数の和:17820

約数の個数: 16

約数和(自身を含む): 112464000

約数和(自身を除く): 24695195

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 17749, 88745, 408227, 763207, 2041135, 3816035, 17553761, 87768805]

約数ペア:

[(1, 87768805), (5, 17553761), (23, 3816035), (43, 2041135), (115, 763207), (215, 408227), (989, 88745), (4945, 17749)]