66812538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{856571}}^1$

素因数の和:856589

約数の個数: 16

約数和(自身を含む): 143904096

約数和(自身を除く): 77091558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 856571, 1713142, 2569713, 5139426, 11135423, 22270846, 33406269, 66812538]

約数ペア:

[(1, 66812538), (2, 33406269), (3, 22270846), (6, 11135423), (13, 5139426), (26, 2569713), (39, 1713142), (78, 856571)]