211808212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{6427}}^1$

素因数の和:6556

約数の個数: 48

約数和(自身を含む): 466518528

約数和(自身を除く): 254710316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 749, 1177, 1498, 2354, 2996, 4708, 6427, 8239, 12854, 16478, 25708, 32956, 44989, 70697, 89978, 141394, 179956, 282788, 494879, 687689, 989758, 1375378, 1979516, 2750756, 4813823, 7564579, 9627646, 15129158, 19255292, 30258316, 52952053, 105904106, 211808212]

約数ペア:

[(1, 211808212), (2, 105904106), (4, 52952053), (7, 30258316), (11, 19255292), (14, 15129158), (22, 9627646), (28, 7564579), (44, 4813823), (77, 2750756), (107, 1979516), (154, 1375378), (214, 989758), (308, 687689), (428, 494879), (749, 282788), (1177, 179956), (1498, 141394), (2354, 89978), (2996, 70697), (4708, 44989), (6427, 32956), (8239, 25708), (12854, 16478)]