128534718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71647}}^1$

素因数の和:71688

約数の個数: 32

約数和(自身を含む): 288884736

約数和(自身を除く): 160350018

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 71647, 143294, 214941, 429882, 931411, 1647881, 1862822, 2794233, 3295762, 4943643, 5588466, 9887286, 21422453, 42844906, 64267359, 128534718]

約数ペア:

[(1, 128534718), (2, 64267359), (3, 42844906), (6, 21422453), (13, 9887286), (23, 5588466), (26, 4943643), (39, 3295762), (46, 2794233), (69, 1862822), (78, 1647881), (138, 931411), (299, 429882), (598, 214941), (897, 143294), (1794, 71647)]