208978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:102

約数の個数: 32

約数和(自身を含む): 414720

約数和(自身を除く): 205742

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 59, 77, 118, 154, 161, 253, 322, 413, 506, 649, 826, 1298, 1357, 1771, 2714, 3542, 4543, 9086, 9499, 14927, 18998, 29854, 104489, 208978]

約数ペア:

[(1, 208978), (2, 104489), (7, 29854), (11, 18998), (14, 14927), (22, 9499), (23, 9086), (46, 4543), (59, 3542), (77, 2714), (118, 1771), (154, 1357), (161, 1298), (253, 826), (322, 649), (413, 506)]