212661288

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:469

約数の個数: 160

約数和(自身を含む): 687202560

約数和(自身を除く): 474541272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 173, 189, 216, 252, 271, 324, 346, 378, 504, 519, 542, 567, 648, 692, 756, 813, 1038, 1084, 1134, 1211, 1384, 1512, 1557, 1626, 1897, 2076, 2168, 2268, 2422, 2439, 3114, 3252, 3633, 3794, 4152, 4536, 4671, 4844, 4878, 5691, 6228, 6504, 7266, 7317, 7588, 9342, 9688, 9756, 10899, 11382, 12456, 14013, 14532, 14634, 15176, 17073, 18684, 19512, 21798, 21951, 22764, 28026, 29064, 29268, 32697, 34146, 37368, 43596, 43902, 45528, 46883, 51219, 56052, 58536, 65394, 68292, 87192, 87804, 93766, 98091, 102438, 112104, 130788, 136584, 140649, 153657, 175608, 187532, 196182, 204876, 261576, 281298, 307314, 328181, 375064, 392364, 409752, 421947, 562596, 614628, 656362, 784728, 843894, 984543, 1125192, 1229256, 1265841, 1312724, 1687788, 1969086, 2531682, 2625448, 2953629, 3375576, 3797523, 3938172, 5063364, 5907258, 7595046, 7876344, 8860887, 10126728, 11814516, 15190092, 17721774, 23629032, 26582661, 30380184, 35443548, 53165322, 70887096, 106330644, 212661288]

約数ペア:

[(1, 212661288), (2, 106330644), (3, 70887096), (4, 53165322), (6, 35443548), (7, 30380184), (8, 26582661), (9, 23629032), (12, 17721774), (14, 15190092), (18, 11814516), (21, 10126728), (24, 8860887), (27, 7876344), (28, 7595046), (36, 5907258), (42, 5063364), (54, 3938172), (56, 3797523), (63, 3375576), (72, 2953629), (81, 2625448), (84, 2531682), (108, 1969086), (126, 1687788), (162, 1312724), (168, 1265841), (173, 1229256), (189, 1125192), (216, 984543), (252, 843894), (271, 784728), (324, 656362), (346, 614628), (378, 562596), (504, 421947), (519, 409752), (542, 392364), (567, 375064), (648, 328181), (692, 307314), (756, 281298), (813, 261576), (1038, 204876), (1084, 196182), (1134, 187532), (1211, 175608), (1384, 153657), (1512, 140649), (1557, 136584), (1626, 130788), (1897, 112104), (2076, 102438), (2168, 98091), (2268, 93766), (2422, 87804), (2439, 87192), (3114, 68292), (3252, 65394), (3633, 58536), (3794, 56052), (4152, 51219), (4536, 46883), (4671, 45528), (4844, 43902), (4878, 43596), (5691, 37368), (6228, 34146), (6504, 32697), (7266, 29268), (7317, 29064), (7588, 28026), (9342, 22764), (9688, 21951), (9756, 21798), (10899, 19512), (11382, 18684), (12456, 17073), (14013, 15176), (14532, 14634)]