2155862

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:535

約数の個数: 16

約数和(自身を含む): 3374784

約数和(自身を除く): 1218922

約数列:

[1, 2, 41, 61, 82, 122, 431, 862, 2501, 5002, 17671, 26291, 35342, 52582, 1077931, 2155862]

約数ペア:

[(1, 2155862), (2, 1077931), (41, 52582), (61, 35342), (82, 26291), (122, 17671), (431, 5002), (862, 2501)]