81513208

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{33851}}^1$

素因数の和:33907

約数の個数: 32

約数和(自身を含む): 178738560

約数和(自身を除く): 97225352

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 33851, 67702, 135404, 236957, 270808, 473914, 947828, 1455593, 1895656, 2911186, 5822372, 10189151, 11644744, 20378302, 40756604, 81513208]

約数ペア:

[(1, 81513208), (2, 40756604), (4, 20378302), (7, 11644744), (8, 10189151), (14, 5822372), (28, 2911186), (43, 1895656), (56, 1455593), (86, 947828), (172, 473914), (301, 270808), (344, 236957), (602, 135404), (1204, 67702), (2408, 33851)]