81277976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{781519}}^1$

素因数の和:781538

約数の個数: 16

約数和(自身を含む): 164119200

約数和(自身を除く): 82841224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 781519, 1563038, 3126076, 6252152, 10159747, 20319494, 40638988, 81277976]

約数ペア:

[(1, 81277976), (2, 40638988), (4, 20319494), (8, 10159747), (13, 6252152), (26, 3126076), (52, 1563038), (104, 781519)]