67684784

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{8311}}^1$

素因数の和:8828

約数の個数: 20

約数和(自身を含む): 131412720

約数和(自身を除く): 63727936

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 8311, 16622, 33244, 66488, 132976, 4230299, 8460598, 16921196, 33842392, 67684784]

約数ペア:

[(1, 67684784), (2, 33842392), (4, 16921196), (8, 8460598), (16, 4230299), (509, 132976), (1018, 66488), (2036, 33244), (4072, 16622), (8144, 8311)]