72212005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{1301}}^1$

素因数の和:1976

約数の個数: 16

約数和(自身を含む): 91962864

約数和(自身を除く): 19750859

約数列:

[1, 5, 17, 85, 653, 1301, 3265, 6505, 11101, 22117, 55505, 110585, 849553, 4247765, 14442401, 72212005]

約数ペア:

[(1, 72212005), (5, 14442401), (17, 4247765), (85, 849553), (653, 110585), (1301, 55505), (3265, 22117), (6505, 11101)]