31129994

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1973}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 56851200

約数和(自身を除く): 25721206

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 343, 686, 1127, 1973, 2254, 3946, 7889, 13811, 15778, 27622, 45379, 90758, 96677, 193354, 317653, 635306, 676739, 1353478, 2223571, 4447142, 15564997, 31129994]

約数ペア:

[(1, 31129994), (2, 15564997), (7, 4447142), (14, 2223571), (23, 1353478), (46, 676739), (49, 635306), (98, 317653), (161, 193354), (322, 96677), (343, 90758), (686, 45379), (1127, 27622), (1973, 15778), (2254, 13811), (3946, 7889)]