2538151

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 3422736

約数和(自身を除く): 884585

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 277, 539, 833, 1309, 1939, 3047, 4709, 9163, 13573, 21329, 32963, 51799, 149303, 230741, 362593, 2538151]

約数ペア:

[(1, 2538151), (7, 362593), (11, 230741), (17, 149303), (49, 51799), (77, 32963), (119, 21329), (187, 13573), (277, 9163), (539, 4709), (833, 3047), (1309, 1939)]