81025708

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{547471}}^1$

素因数の和:547512

約数の個数: 12

約数和(自身を含む): 145627552

約数和(自身を除く): 64601844

約数列:

[1, 2, 4, 37, 74, 148, 547471, 1094942, 2189884, 20256427, 40512854, 81025708]

約数ペア:

[(1, 81025708), (2, 40512854), (4, 20256427), (37, 2189884), (74, 1094942), (148, 547471)]