63999010

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{71909}}^1$

素因数の和:72005

約数の個数: 16

約数和(自身を含む): 116494200

約数和(自身を除く): 52495190

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 71909, 143818, 359545, 719090, 6399901, 12799802, 31999505, 63999010]

約数ペア:

[(1, 63999010), (2, 31999505), (5, 12799802), (10, 6399901), (89, 719090), (178, 359545), (445, 143818), (890, 71909)]