81963110

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 151932672

約数和(自身を除く): 69969562

約数列:

[1, 2, 5, 10, 67, 71, 134, 142, 335, 355, 670, 710, 1723, 3446, 4757, 8615, 9514, 17230, 23785, 47570, 115441, 122333, 230882, 244666, 577205, 611665, 1154410, 1223330, 8196311, 16392622, 40981555, 81963110]

約数ペア:

[(1, 81963110), (2, 40981555), (5, 16392622), (10, 8196311), (67, 1223330), (71, 1154410), (134, 611665), (142, 577205), (335, 244666), (355, 230882), (670, 122333), (710, 115441), (1723, 47570), (3446, 23785), (4757, 17230), (8615, 9514)]