87561115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{17707}}^1$

素因数の和:17778

約数の個数: 16

約数和(自身を含む): 112197888

約数和(自身を除く): 24636773

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 17707, 88535, 407261, 761401, 2036305, 3807005, 17512223, 87561115]

約数ペア:

[(1, 87561115), (5, 17512223), (23, 3807005), (43, 2036305), (115, 761401), (215, 407261), (989, 88535), (4945, 17707)]