157498904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2339}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 311688000

約数和(自身を除く): 154189096

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 443, 886, 1772, 2339, 3544, 4678, 8417, 9356, 16834, 18712, 33668, 44441, 67336, 88882, 177764, 355528, 1036177, 2072354, 4144708, 8289416, 19687363, 39374726, 78749452, 157498904]

約数ペア:

[(1, 157498904), (2, 78749452), (4, 39374726), (8, 19687363), (19, 8289416), (38, 4144708), (76, 2072354), (152, 1036177), (443, 355528), (886, 177764), (1772, 88882), (2339, 67336), (3544, 44441), (4678, 33668), (8417, 18712), (9356, 16834)]