128902015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{2897}}^1$

素因数の和:3722

約数の個数: 16

約数和(自身を含む): 169011360

約数和(自身を除く): 40109345

約数列:

[1, 5, 11, 55, 809, 2897, 4045, 8899, 14485, 31867, 44495, 159335, 2343673, 11718365, 25780403, 128902015]

約数ペア:

[(1, 128902015), (5, 25780403), (11, 11718365), (55, 2343673), (809, 159335), (2897, 44495), (4045, 31867), (8899, 14485)]