890978876

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{64997}}^1$

素因数の和:65173

約数の個数: 24

約数和(自身を含む): 1637949600

約数和(自身を除く): 746970724

約数列:

[1, 2, 4, 23, 46, 92, 149, 298, 596, 3427, 6854, 13708, 64997, 129994, 259988, 1494931, 2989862, 5979724, 9684553, 19369106, 38738212, 222744719, 445489438, 890978876]

約数ペア:

[(1, 890978876), (2, 445489438), (4, 222744719), (23, 38738212), (46, 19369106), (92, 9684553), (149, 5979724), (298, 2989862), (596, 1494931), (3427, 259988), (6854, 129994), (13708, 64997)]