209934473

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 253380960

約数和(自身を除く): 43446487

約数列:

[1, 7, 41, 49, 83, 287, 581, 1259, 2009, 3403, 4067, 8813, 23821, 51619, 61691, 104497, 166747, 361333, 731479, 2529331, 4284377, 5120353, 29990639, 209934473]

約数ペア:

[(1, 209934473), (7, 29990639), (41, 5120353), (49, 4284377), (83, 2529331), (287, 731479), (581, 361333), (1259, 166747), (2009, 104497), (3403, 61691), (4067, 51619), (8813, 23821)]