398389678

素因数分解:

$2^1\times {\mathrm{431}}^1\times {\mathrm{601}}^1\times {\mathrm{769}}^1$

素因数の和:1803

約数の個数: 16

約数和(自身を含む): 600747840

約数和(自身を除く): 202358162

約数列:

[1, 2, 431, 601, 769, 862, 1202, 1538, 259031, 331439, 462169, 518062, 662878, 924338, 199194839, 398389678]

約数ペア:

[(1, 398389678), (2, 199194839), (431, 924338), (601, 662878), (769, 518062), (862, 462169), (1202, 331439), (1538, 259031)]