123303245

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1\times {\mathrm{433}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 161067816

約数和(自身を除く): 37764571

約数列:

[1, 5, 13, 65, 169, 337, 433, 845, 1685, 2165, 4381, 5629, 21905, 28145, 56953, 73177, 145921, 284765, 365885, 729605, 1896973, 9484865, 24660649, 123303245]

約数ペア:

[(1, 123303245), (5, 24660649), (13, 9484865), (65, 1896973), (169, 729605), (337, 365885), (433, 284765), (845, 145921), (1685, 73177), (2165, 56953), (4381, 28145), (5629, 21905)]