81542136

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261353}}^1$

素因数の和:261375

約数の個数: 32

約数和(自身を含む): 219537360

約数和(自身を除く): 137995224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261353, 522706, 784059, 1045412, 1568118, 2090824, 3136236, 3397589, 6272472, 6795178, 10192767, 13590356, 20385534, 27180712, 40771068, 81542136]

約数ペア:

[(1, 81542136), (2, 40771068), (3, 27180712), (4, 20385534), (6, 13590356), (8, 10192767), (12, 6795178), (13, 6272472), (24, 3397589), (26, 3136236), (39, 2090824), (52, 1568118), (78, 1045412), (104, 784059), (156, 522706), (312, 261353)]