427778880470

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{638475941}}^1$

素因数の和:638476015

約数の個数: 16

約数和(自身を含む): 781494553008

約数和(自身を除く): 353715672538

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 638475941, 1276951882, 3192379705, 6384759410, 42777888047, 85555776094, 213889440235, 427778880470]

約数ペア:

[(1, 427778880470), (2, 213889440235), (5, 85555776094), (10, 42777888047), (67, 6384759410), (134, 3192379705), (335, 1276951882), (670, 638475941)]