278330542

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 484162560

約数和(自身を除く): 205832018

約数列:

[1, 2, 7, 14, 139, 157, 278, 314, 911, 973, 1099, 1822, 1946, 2198, 6377, 12754, 21823, 43646, 126629, 143027, 152761, 253258, 286054, 305522, 886403, 1001189, 1772806, 2002378, 19880753, 39761506, 139165271, 278330542]

約数ペア:

[(1, 278330542), (2, 139165271), (7, 39761506), (14, 19880753), (139, 2002378), (157, 1772806), (278, 1001189), (314, 886403), (911, 305522), (973, 286054), (1099, 253258), (1822, 152761), (1946, 143027), (2198, 126629), (6377, 43646), (12754, 21823)]