257269012

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 629028288

約数和(自身を除く): 371759276

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 67, 77, 91, 98, 134, 137, 143, 154, 182, 196, 268, 274, 286, 308, 364, 469, 539, 548, 572, 637, 737, 871, 938, 959, 1001, 1078, 1274, 1474, 1507, 1742, 1781, 1876, 1918, 2002, 2156, 2548, 2948, 3014, 3283, 3484, 3562, 3836, 4004, 5159, 6028, 6097, 6566, 6713, 7007, 7124, 9179, 9581, 10318, 10549, 12194, 12467, 13132, 13426, 14014, 18358, 19162, 19591, 20636, 21098, 24388, 24934, 26852, 28028, 36113, 36716, 38324, 39182, 42196, 42679, 49868, 64253, 67067, 72226, 73843, 78364, 85358, 87269, 100969, 119327, 128506, 134134, 137137, 144452, 147686, 170716, 174538, 201938, 238654, 257012, 268268, 274274, 295372, 349076, 403876, 449771, 469469, 477308, 548548, 706783, 835289, 899542, 938938, 959959, 1312597, 1413566, 1670578, 1799084, 1877876, 1919918, 2625194, 2827132, 3341156, 3839836, 4947481, 5250388, 5847023, 9188179, 9894962, 11694046, 18376358, 19789924, 23388092, 36752716, 64317253, 128634506, 257269012]

約数ペア:

[(1, 257269012), (2, 128634506), (4, 64317253), (7, 36752716), (11, 23388092), (13, 19789924), (14, 18376358), (22, 11694046), (26, 9894962), (28, 9188179), (44, 5847023), (49, 5250388), (52, 4947481), (67, 3839836), (77, 3341156), (91, 2827132), (98, 2625194), (134, 1919918), (137, 1877876), (143, 1799084), (154, 1670578), (182, 1413566), (196, 1312597), (268, 959959), (274, 938938), (286, 899542), (308, 835289), (364, 706783), (469, 548548), (539, 477308), (548, 469469), (572, 449771), (637, 403876), (737, 349076), (871, 295372), (938, 274274), (959, 268268), (1001, 257012), (1078, 238654), (1274, 201938), (1474, 174538), (1507, 170716), (1742, 147686), (1781, 144452), (1876, 137137), (1918, 134134), (2002, 128506), (2156, 119327), (2548, 100969), (2948, 87269), (3014, 85358), (3283, 78364), (3484, 73843), (3562, 72226), (3836, 67067), (4004, 64253), (5159, 49868), (6028, 42679), (6097, 42196), (6566, 39182), (6713, 38324), (7007, 36716), (7124, 36113), (9179, 28028), (9581, 26852), (10318, 24934), (10549, 24388), (12194, 21098), (12467, 20636), (13132, 19591), (13426, 19162), (14014, 18358)]