30981076

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{26987}}^1$

素因数の和:27039

約数の個数: 24

約数和(自身を含む): 63475776

約数和(自身を除く): 32494700

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 26987, 53974, 107948, 188909, 377818, 755636, 1106467, 2212934, 4425868, 7745269, 15490538, 30981076]

約数ペア:

[(1, 30981076), (2, 15490538), (4, 7745269), (7, 4425868), (14, 2212934), (28, 1106467), (41, 755636), (82, 377818), (164, 188909), (287, 107948), (574, 53974), (1148, 26987)]