1219989974

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1\times {\mathrm{3187}}^1$

素因数の和:3972

約数の個数: 32

約数和(自身を含む): 2151517440

約数和(自身を除く): 931527466

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 739, 1478, 3187, 5173, 6374, 10346, 22309, 27343, 44618, 54686, 117919, 191401, 235838, 382802, 825433, 1650866, 2355193, 4710386, 16486351, 32972702, 87142141, 174284282, 609994987, 1219989974]

約数ペア:

[(1, 1219989974), (2, 609994987), (7, 174284282), (14, 87142141), (37, 32972702), (74, 16486351), (259, 4710386), (518, 2355193), (739, 1650866), (1478, 825433), (3187, 382802), (5173, 235838), (6374, 191401), (10346, 117919), (22309, 54686), (27343, 44618)]