40854394

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1890

約数の個数: 32

約数和(自身を含む): 74151936

約数和(自身を除く): 33297542

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 994, 1633, 1787, 3266, 3574, 11431, 12509, 22862, 25018, 41101, 82202, 126877, 253754, 287707, 575414, 888139, 1776278, 2918171, 5836342, 20427197, 40854394]

約数ペア:

[(1, 40854394), (2, 20427197), (7, 5836342), (14, 2918171), (23, 1776278), (46, 888139), (71, 575414), (142, 287707), (161, 253754), (322, 126877), (497, 82202), (994, 41101), (1633, 25018), (1787, 22862), (3266, 12509), (3574, 11431)]