216976

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 20

約数和(自身を含む): 428544

約数和(自身を除く): 211568

約数列:

[1, 2, 4, 8, 16, 71, 142, 191, 284, 382, 568, 764, 1136, 1528, 3056, 13561, 27122, 54244, 108488, 216976]

約数ペア:

[(1, 216976), (2, 108488), (4, 54244), (8, 27122), (16, 13561), (71, 3056), (142, 1528), (191, 1136), (284, 764), (382, 568)]