64775525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{881}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 85635144

約数和(自身を除く): 20859619

約数列:

[1, 5, 17, 25, 85, 173, 425, 865, 881, 2941, 4325, 4405, 14705, 14977, 22025, 73525, 74885, 152413, 374425, 762065, 2591021, 3810325, 12955105, 64775525]

約数ペア:

[(1, 64775525), (5, 12955105), (17, 3810325), (25, 2591021), (85, 762065), (173, 374425), (425, 152413), (865, 74885), (881, 73525), (2941, 22025), (4325, 14977), (4405, 14705)]