64867205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{11213}}^1$

素因数の和:11320

約数の個数: 16

約数和(自身を含む): 84777840

約数和(自身を除く): 19910635

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5785, 11213, 56065, 145769, 728845, 997957, 4989785, 12973441, 64867205]

約数ペア:

[(1, 64867205), (5, 12973441), (13, 4989785), (65, 997957), (89, 728845), (445, 145769), (1157, 56065), (5785, 11213)]