213051272

素因数分解:

$2^3\times 7^1\times {\mathrm{1621}}^1\times {\mathrm{2347}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 457014720

約数和(自身を除く): 243963448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1621, 2347, 3242, 4694, 6484, 9388, 11347, 12968, 16429, 18776, 22694, 32858, 45388, 65716, 90776, 131432, 3804487, 7608974, 15217948, 26631409, 30435896, 53262818, 106525636, 213051272]

約数ペア:

[(1, 213051272), (2, 106525636), (4, 53262818), (7, 30435896), (8, 26631409), (14, 15217948), (28, 7608974), (56, 3804487), (1621, 131432), (2347, 90776), (3242, 65716), (4694, 45388), (6484, 32858), (9388, 22694), (11347, 18776), (12968, 16429)]