2051465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 2725968

約数和(自身を除く): 674503

約数列:

[1, 5, 13, 37, 65, 185, 481, 853, 2405, 4265, 11089, 31561, 55445, 157805, 410293, 2051465]

約数ペア:

[(1, 2051465), (5, 410293), (13, 157805), (37, 55445), (65, 31561), (185, 11089), (481, 4265), (853, 2405)]