221872

素因数分解:

$2^4\times 7^2\times {\mathrm{283}}^1$

素因数の和:305

約数の個数: 30

約数和(自身を含む): 501828

約数和(自身を除く): 279956

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 283, 392, 566, 784, 1132, 1981, 2264, 3962, 4528, 7924, 13867, 15848, 27734, 31696, 55468, 110936, 221872]

約数ペア:

[(1, 221872), (2, 110936), (4, 55468), (7, 31696), (8, 27734), (14, 15848), (16, 13867), (28, 7924), (49, 4528), (56, 3962), (98, 2264), (112, 1981), (196, 1132), (283, 784), (392, 566)]