71319088

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{66529}}^1$

素因数の和:66604

約数の個数: 20

約数和(自身を含む): 140245240

約数和(自身を除く): 68926152

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 66529, 133058, 266116, 532232, 1064464, 4457443, 8914886, 17829772, 35659544, 71319088]

約数ペア:

[(1, 71319088), (2, 35659544), (4, 17829772), (8, 8914886), (16, 4457443), (67, 1064464), (134, 532232), (268, 266116), (536, 133058), (1072, 66529)]