81579538

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 24

約数和(自身を含む): 128526336

約数和(自身を除く): 46946798

約数列:

[1, 2, 31, 62, 83, 166, 191, 382, 2573, 5146, 5921, 6889, 11842, 13778, 15853, 31706, 213559, 427118, 491443, 982886, 1315799, 2631598, 40789769, 81579538]

約数ペア:

[(1, 81579538), (2, 40789769), (31, 2631598), (62, 1315799), (83, 982886), (166, 491443), (191, 427118), (382, 213559), (2573, 31706), (5146, 15853), (5921, 13778), (6889, 11842)]