1388482816

素因数分解:

$2^8\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1660

約数の個数: 108

約数和(自身を含む): 3271544640

約数和(自身を除く): 1883061824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 71, 98, 112, 128, 142, 196, 224, 256, 284, 392, 448, 497, 568, 784, 896, 994, 1136, 1559, 1568, 1792, 1988, 2272, 3118, 3136, 3479, 3976, 4544, 6236, 6272, 6958, 7952, 9088, 10913, 12472, 12544, 13916, 15904, 18176, 21826, 24944, 27832, 31808, 43652, 49888, 55664, 63616, 76391, 87304, 99776, 110689, 111328, 127232, 152782, 174608, 199552, 221378, 222656, 305564, 349216, 399104, 442756, 445312, 611128, 698432, 774823, 885512, 890624, 1222256, 1396864, 1549646, 1771024, 2444512, 2793728, 3099292, 3542048, 4889024, 5423761, 6198584, 7084096, 9778048, 10847522, 12397168, 14168192, 19556096, 21695044, 24794336, 28336384, 43390088, 49588672, 86780176, 99177344, 173560352, 198354688, 347120704, 694241408, 1388482816]

約数ペア:

[(1, 1388482816), (2, 694241408), (4, 347120704), (7, 198354688), (8, 173560352), (14, 99177344), (16, 86780176), (28, 49588672), (32, 43390088), (49, 28336384), (56, 24794336), (64, 21695044), (71, 19556096), (98, 14168192), (112, 12397168), (128, 10847522), (142, 9778048), (196, 7084096), (224, 6198584), (256, 5423761), (284, 4889024), (392, 3542048), (448, 3099292), (497, 2793728), (568, 2444512), (784, 1771024), (896, 1549646), (994, 1396864), (1136, 1222256), (1559, 890624), (1568, 885512), (1792, 774823), (1988, 698432), (2272, 611128), (3118, 445312), (3136, 442756), (3479, 399104), (3976, 349216), (4544, 305564), (6236, 222656), (6272, 221378), (6958, 199552), (7952, 174608), (9088, 152782), (10913, 127232), (12472, 111328), (12544, 110689), (13916, 99776), (15904, 87304), (18176, 76391), (21826, 63616), (24944, 55664), (27832, 49888), (31808, 43652)]