428702978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{153437}}^1$

素因数の和:153577

約数の個数: 16

約数和(自身を含む): 707042304

約数和(自身を除く): 278339326

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 153437, 306874, 1687807, 3375614, 19486499, 38972998, 214351489, 428702978]

約数ペア:

[(1, 428702978), (2, 214351489), (11, 38972998), (22, 19486499), (127, 3375614), (254, 1687807), (1397, 306874), (2794, 153437)]