161990066

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{5113}}^1$

素因数の和:5226

約数の個数: 32

約数和(自身を含む): 290638848

約数和(自身を除く): 128648782

約数列:

[1, 2, 7, 14, 31, 62, 73, 146, 217, 434, 511, 1022, 2263, 4526, 5113, 10226, 15841, 31682, 35791, 71582, 158503, 317006, 373249, 746498, 1109521, 2219042, 2612743, 5225486, 11570719, 23141438, 80995033, 161990066]

約数ペア:

[(1, 161990066), (2, 80995033), (7, 23141438), (14, 11570719), (31, 5225486), (62, 2612743), (73, 2219042), (146, 1109521), (217, 746498), (434, 373249), (511, 317006), (1022, 158503), (2263, 71582), (4526, 35791), (5113, 31682), (10226, 15841)]