123223828

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 272887272

約数和(自身を除く): 149663444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 137, 182, 196, 274, 353, 364, 548, 637, 706, 959, 1274, 1412, 1781, 1918, 2471, 2548, 3562, 3836, 4589, 4942, 6713, 7124, 9178, 9884, 12467, 13426, 17297, 18356, 24934, 26852, 32123, 34594, 48361, 49868, 64246, 69188, 87269, 96722, 128492, 174538, 193444, 224861, 338527, 349076, 449722, 628693, 677054, 899444, 1257386, 1354108, 2369689, 2514772, 4400851, 4739378, 8801702, 9478756, 17603404, 30805957, 61611914, 123223828]

約数ペア:

[(1, 123223828), (2, 61611914), (4, 30805957), (7, 17603404), (13, 9478756), (14, 8801702), (26, 4739378), (28, 4400851), (49, 2514772), (52, 2369689), (91, 1354108), (98, 1257386), (137, 899444), (182, 677054), (196, 628693), (274, 449722), (353, 349076), (364, 338527), (548, 224861), (637, 193444), (706, 174538), (959, 128492), (1274, 96722), (1412, 87269), (1781, 69188), (1918, 64246), (2471, 49868), (2548, 48361), (3562, 34594), (3836, 32123), (4589, 26852), (4942, 24934), (6713, 18356), (7124, 17297), (9178, 13426), (9884, 12467)]