16915405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1321}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 21987504

約数和(自身を除く): 5072099

約数列:

[1, 5, 13, 65, 197, 985, 1321, 2561, 6605, 12805, 17173, 85865, 260237, 1301185, 3383081, 16915405]

約数ペア:

[(1, 16915405), (5, 3383081), (13, 1301185), (65, 260237), (197, 85865), (985, 17173), (1321, 12805), (2561, 6605)]