40278446

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:740

約数の個数: 24

約数和(自身を含む): 65814120

約数和(自身を除く): 25535674

約数列:

[1, 2, 13, 26, 169, 269, 338, 443, 538, 886, 3497, 5759, 6994, 11518, 45461, 74867, 90922, 119167, 149734, 238334, 1549171, 3098342, 20139223, 40278446]

約数ペア:

[(1, 40278446), (2, 20139223), (13, 3098342), (26, 1549171), (169, 238334), (269, 149734), (338, 119167), (443, 90922), (538, 74867), (886, 45461), (3497, 11518), (5759, 6994)]