64491868

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{4691}}^1$

素因数の和:5193

約数の個数: 24

約数和(自身を含む): 129273984

約数和(自身を除く): 64782116

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1964, 3437, 4691, 6874, 9382, 13748, 18764, 32837, 65674, 131348, 2303281, 4606562, 9213124, 16122967, 32245934, 64491868]

約数ペア:

[(1, 64491868), (2, 32245934), (4, 16122967), (7, 9213124), (14, 4606562), (28, 2303281), (491, 131348), (982, 65674), (1964, 32837), (3437, 18764), (4691, 13748), (6874, 9382)]