20171485817

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 23476776960

約数和(自身を除く): 3305291143

約数列:

[1, 7, 139, 227, 271, 337, 973, 1589, 1897, 2359, 31553, 37669, 46843, 61517, 76499, 91327, 220871, 263683, 327901, 430619, 535493, 639289, 8550863, 10633361, 12694453, 20731229, 59856041, 74433527, 88861171, 145118603, 2881640831, 20171485817]

約数ペア:

[(1, 20171485817), (7, 2881640831), (139, 145118603), (227, 88861171), (271, 74433527), (337, 59856041), (973, 20731229), (1589, 12694453), (1897, 10633361), (2359, 8550863), (31553, 639289), (37669, 535493), (46843, 430619), (61517, 327901), (76499, 263683), (91327, 220871)]