209387864

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{55807}}^1$

素因数の和:55887

約数の個数: 32

約数和(自身を含む): 455393280

約数和(自身を除く): 246005416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 55807, 111614, 223228, 390649, 446456, 781298, 1562596, 3125192, 3739069, 7478138, 14956276, 26173483, 29912552, 52346966, 104693932, 209387864]

約数ペア:

[(1, 209387864), (2, 104693932), (4, 52346966), (7, 29912552), (8, 26173483), (14, 14956276), (28, 7478138), (56, 3739069), (67, 3125192), (134, 1562596), (268, 781298), (469, 446456), (536, 390649), (938, 223228), (1876, 111614), (3752, 55807)]