208060918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1249}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 346500000

約数和(自身を除く): 138439082

約数列:

[1, 2, 13, 26, 43, 86, 149, 298, 559, 1118, 1249, 1937, 2498, 3874, 6407, 12814, 16237, 32474, 53707, 83291, 107414, 166582, 186101, 372202, 698191, 1396382, 2419313, 4838626, 8002343, 16004686, 104030459, 208060918]

約数ペア:

[(1, 208060918), (2, 104030459), (13, 16004686), (26, 8002343), (43, 4838626), (86, 2419313), (149, 1396382), (298, 698191), (559, 372202), (1118, 186101), (1249, 166582), (1937, 107414), (2498, 83291), (3874, 53707), (6407, 32474), (12814, 16237)]