221872912

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1703

約数の個数: 40

約数和(自身を含む): 439728800

約数和(自身を除く): 217855888

約数列:

[1, 2, 4, 8, 16, 67, 134, 139, 268, 278, 536, 556, 1072, 1112, 1489, 2224, 2978, 5956, 9313, 11912, 18626, 23824, 37252, 74504, 99763, 149008, 199526, 206971, 399052, 413942, 798104, 827884, 1596208, 1655768, 3311536, 13867057, 27734114, 55468228, 110936456, 221872912]

約数ペア:

[(1, 221872912), (2, 110936456), (4, 55468228), (8, 27734114), (16, 13867057), (67, 3311536), (134, 1655768), (139, 1596208), (268, 827884), (278, 798104), (536, 413942), (556, 399052), (1072, 206971), (1112, 199526), (1489, 149008), (2224, 99763), (2978, 74504), (5956, 37252), (9313, 23824), (11912, 18626)]