669686528

素因数分解:

$2^8\times 7^2\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:498

約数の個数: 108

約数和(自身を含む): 1568663712

約数和(自身を除く): 898977184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 197, 224, 256, 271, 392, 394, 448, 542, 784, 788, 896, 1084, 1379, 1568, 1576, 1792, 1897, 2168, 2758, 3136, 3152, 3794, 4336, 5516, 6272, 6304, 7588, 8672, 9653, 11032, 12544, 12608, 13279, 15176, 17344, 19306, 22064, 25216, 26558, 30352, 34688, 38612, 44128, 50432, 53116, 53387, 60704, 69376, 77224, 88256, 106232, 106774, 121408, 154448, 176512, 212464, 213548, 242816, 308896, 353024, 373709, 424928, 427096, 485632, 617792, 747418, 849856, 854192, 1235584, 1494836, 1699712, 1708384, 2471168, 2615963, 2989672, 3399424, 3416768, 5231926, 5979344, 6833536, 10463852, 11958688, 13667072, 20927704, 23917376, 41855408, 47834752, 83710816, 95669504, 167421632, 334843264, 669686528]

約数ペア:

[(1, 669686528), (2, 334843264), (4, 167421632), (7, 95669504), (8, 83710816), (14, 47834752), (16, 41855408), (28, 23917376), (32, 20927704), (49, 13667072), (56, 11958688), (64, 10463852), (98, 6833536), (112, 5979344), (128, 5231926), (196, 3416768), (197, 3399424), (224, 2989672), (256, 2615963), (271, 2471168), (392, 1708384), (394, 1699712), (448, 1494836), (542, 1235584), (784, 854192), (788, 849856), (896, 747418), (1084, 617792), (1379, 485632), (1568, 427096), (1576, 424928), (1792, 373709), (1897, 353024), (2168, 308896), (2758, 242816), (3136, 213548), (3152, 212464), (3794, 176512), (4336, 154448), (5516, 121408), (6272, 106774), (6304, 106232), (7588, 88256), (8672, 77224), (9653, 69376), (11032, 60704), (12544, 53387), (12608, 53116), (13279, 50432), (15176, 44128), (17344, 38612), (19306, 34688), (22064, 30352), (25216, 26558)]