297518221

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 425940480

約数和(自身を除く): 128422259

約数列:

[1, 7, 11, 13, 29, 37, 77, 91, 143, 203, 259, 277, 319, 377, 407, 481, 1001, 1073, 1939, 2233, 2639, 2849, 3047, 3367, 3601, 4147, 5291, 7511, 8033, 10249, 11803, 13949, 21329, 25207, 29029, 37037, 39611, 56231, 71743, 82621, 88363, 97643, 104429, 112739, 133237, 153439, 277277, 297221, 618541, 731003, 789173, 932659, 1074073, 1148719, 1465607, 2080547, 3269431, 3863873, 8041033, 10259249, 22886017, 27047111, 42502603, 297518221]

約数ペア:

[(1, 297518221), (7, 42502603), (11, 27047111), (13, 22886017), (29, 10259249), (37, 8041033), (77, 3863873), (91, 3269431), (143, 2080547), (203, 1465607), (259, 1148719), (277, 1074073), (319, 932659), (377, 789173), (407, 731003), (481, 618541), (1001, 297221), (1073, 277277), (1939, 153439), (2233, 133237), (2639, 112739), (2849, 104429), (3047, 97643), (3367, 88363), (3601, 82621), (4147, 71743), (5291, 56231), (7511, 39611), (8033, 37037), (10249, 29029), (11803, 25207), (13949, 21329)]