81345468

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{43177}}^1$

素因数の和:43341

約数の個数: 24

約数和(自身を含む): 191019472

約数和(自身を除く): 109674004

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 43177, 86354, 129531, 172708, 259062, 518124, 6778789, 13557578, 20336367, 27115156, 40672734, 81345468]

約数ペア:

[(1, 81345468), (2, 40672734), (3, 27115156), (4, 20336367), (6, 13557578), (12, 6778789), (157, 518124), (314, 259062), (471, 172708), (628, 129531), (942, 86354), (1884, 43177)]