1772013971

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{1399}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 2257920000

約数和(自身を除く): 485906029

約数列:

[1, 7, 13, 31, 91, 217, 403, 449, 1399, 2821, 3143, 5837, 9793, 13919, 18187, 40859, 43369, 97433, 127309, 180947, 303583, 563797, 628151, 1266629, 3946579, 4397057, 8165963, 19472681, 57161741, 136308767, 253144853, 1772013971]

約数ペア:

[(1, 1772013971), (7, 253144853), (13, 136308767), (31, 57161741), (91, 19472681), (217, 8165963), (403, 4397057), (449, 3946579), (1399, 1266629), (2821, 628151), (3143, 563797), (5837, 303583), (9793, 180947), (13919, 127309), (18187, 97433), (40859, 43369)]