71041808

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{9043}}^1$

素因数の和:9542

約数の個数: 20

約数和(自身を含む): 137939088

約数和(自身を除く): 66897280

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 9043, 18086, 36172, 72344, 144688, 4440113, 8880226, 17760452, 35520904, 71041808]

約数ペア:

[(1, 71041808), (2, 35520904), (4, 17760452), (8, 8880226), (16, 4440113), (491, 144688), (982, 72344), (1964, 36172), (3928, 18086), (7856, 9043)]