81849794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 135717120

約数和(自身を除く): 53867326

約数列:

[1, 2, 13, 26, 71, 101, 142, 202, 439, 878, 923, 1313, 1846, 2626, 5707, 7171, 11414, 14342, 31169, 44339, 62338, 88678, 93223, 186446, 405197, 576407, 810394, 1152814, 3148069, 6296138, 40924897, 81849794]

約数ペア:

[(1, 81849794), (2, 40924897), (13, 6296138), (26, 3148069), (71, 1152814), (101, 810394), (142, 576407), (202, 405197), (439, 186446), (878, 93223), (923, 88678), (1313, 62338), (1846, 44339), (2626, 31169), (5707, 14342), (7171, 11414)]