81954904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12539}}^1$

素因数の和:12607

約数の個数: 32

約数和(自身を含む): 165528000

約数和(自身を除く): 83573096

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 12539, 25078, 50156, 100312, 238241, 476482, 539177, 952964, 1078354, 1905928, 2156708, 4313416, 10244363, 20488726, 40977452, 81954904]

約数ペア:

[(1, 81954904), (2, 40977452), (4, 20488726), (8, 10244363), (19, 4313416), (38, 2156708), (43, 1905928), (76, 1078354), (86, 952964), (152, 539177), (172, 476482), (344, 238241), (817, 100312), (1634, 50156), (3268, 25078), (6536, 12539)]