81665858

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 134519616

約数和(自身を除く): 52853758

約数列:

[1, 2, 17, 34, 43, 83, 86, 166, 673, 731, 1346, 1411, 1462, 2822, 3569, 7138, 11441, 22882, 28939, 55859, 57878, 60673, 111718, 121346, 491963, 949603, 983926, 1899206, 2401937, 4803874, 40832929, 81665858]

約数ペア:

[(1, 81665858), (2, 40832929), (17, 4803874), (34, 2401937), (43, 1899206), (83, 983926), (86, 949603), (166, 491963), (673, 121346), (731, 111718), (1346, 60673), (1411, 57878), (1462, 55859), (2822, 28939), (3569, 22882), (7138, 11441)]