217540904

素因数分解:

$2^3\times 7^1\times {\mathrm{3884659}}^1$

素因数の和:3884672

約数の個数: 16

約数和(自身を含む): 466159200

約数和(自身を除く): 248618296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3884659, 7769318, 15538636, 27192613, 31077272, 54385226, 108770452, 217540904]

約数ペア:

[(1, 217540904), (2, 108770452), (4, 54385226), (7, 31077272), (8, 27192613), (14, 15538636), (28, 7769318), (56, 3884659)]