81332590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{478427}}^1$

素因数の和:478451

約数の個数: 16

約数和(自身を含む): 155010672

約数和(自身を除く): 73678082

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 478427, 956854, 2392135, 4784270, 8133259, 16266518, 40666295, 81332590]

約数ペア:

[(1, 81332590), (2, 40666295), (5, 16266518), (10, 8133259), (17, 4784270), (34, 2392135), (85, 956854), (170, 478427)]