66809210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{513917}}^1$

素因数の和:513937

約数の個数: 16

約数和(自身を含む): 129507336

約数和(自身を除く): 62698126

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 513917, 1027834, 2569585, 5139170, 6680921, 13361842, 33404605, 66809210]

約数ペア:

[(1, 66809210), (2, 33404605), (5, 13361842), (10, 6680921), (13, 5139170), (26, 2569585), (65, 1027834), (130, 513917)]