217968476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{55661}}^1$

素因数の和:55765

約数の個数: 24

約数和(自身を含む): 420804720

約数和(自身を除く): 202836244

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 55661, 111322, 222644, 612271, 1224542, 2449084, 4953829, 9907658, 19815316, 54492119, 108984238, 217968476]

約数ペア:

[(1, 217968476), (2, 108984238), (4, 54492119), (11, 19815316), (22, 9907658), (44, 4953829), (89, 2449084), (178, 1224542), (356, 612271), (979, 222644), (1958, 111322), (3916, 55661)]