13278329911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1\times {\mathrm{4877}}^1$

素因数の和:6775

約数の個数: 32

約数和(自身を含む): 17439045120

約数和(自身を除く): 4160715209

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 1861, 4877, 13027, 20471, 34139, 35359, 53647, 92663, 143297, 247513, 375529, 388949, 648641, 1019293, 2722643, 7135051, 9076097, 63532679, 99837067, 172445843, 698859469, 1207120901, 1896904273, 13278329911]

約数ペア:

[(1, 13278329911), (7, 1896904273), (11, 1207120901), (19, 698859469), (77, 172445843), (133, 99837067), (209, 63532679), (1463, 9076097), (1861, 7135051), (4877, 2722643), (13027, 1019293), (20471, 648641), (34139, 388949), (35359, 375529), (53647, 247513), (92663, 143297)]