28778860649

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1723}}^1\times {\mathrm{216919}}^1$

素因数の和:218660

約数の個数: 16

約数和(自身を含む): 35901127680

約数和(自身を除く): 7122267031

約数列:

[1, 7, 11, 77, 1723, 12061, 18953, 132671, 216919, 1518433, 2386109, 16702763, 373751437, 2616260059, 4111265807, 28778860649]

約数ペア:

[(1, 28778860649), (7, 4111265807), (11, 2616260059), (77, 373751437), (1723, 16702763), (12061, 2386109), (18953, 1518433), (132671, 216919)]