200820172

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 410715648

約数和(自身を除く): 209895476

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 167, 268, 334, 469, 641, 668, 938, 1169, 1282, 1876, 2338, 2564, 4487, 4676, 8974, 11189, 17948, 22378, 42947, 44756, 78323, 85894, 107047, 156646, 171788, 214094, 300629, 313292, 428188, 601258, 749329, 1202516, 1498658, 2997316, 7172149, 14344298, 28688596, 50205043, 100410086, 200820172]

約数ペア:

[(1, 200820172), (2, 100410086), (4, 50205043), (7, 28688596), (14, 14344298), (28, 7172149), (67, 2997316), (134, 1498658), (167, 1202516), (268, 749329), (334, 601258), (469, 428188), (641, 313292), (668, 300629), (938, 214094), (1169, 171788), (1282, 156646), (1876, 107047), (2338, 85894), (2564, 78323), (4487, 44756), (4676, 42947), (8974, 22378), (11189, 17948)]