8991227

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 10598400

約数和(自身を除く): 1607173

約数列:

[1, 7, 71, 79, 229, 497, 553, 1603, 5609, 16259, 18091, 39263, 113813, 126637, 1284461, 8991227]

約数ペア:

[(1, 8991227), (7, 1284461), (71, 126637), (79, 113813), (229, 39263), (497, 18091), (553, 16259), (1603, 5609)]