81519256

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111977}}^1$

素因数の和:112003

約数の個数: 32

約数和(自身を含む): 188123040

約数和(自身を除く): 106603784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 111977, 223954, 447908, 783839, 895816, 1455701, 1567678, 2911402, 3135356, 5822804, 6270712, 10189907, 11645608, 20379814, 40759628, 81519256]

約数ペア:

[(1, 81519256), (2, 40759628), (4, 20379814), (7, 11645608), (8, 10189907), (13, 6270712), (14, 5822804), (26, 3135356), (28, 2911402), (52, 1567678), (56, 1455701), (91, 895816), (104, 783839), (182, 447908), (364, 223954), (728, 111977)]