578321128

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1991

約数の個数: 96

約数和(自身を含む): 1396180800

約数和(自身を除く): 817859672

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 71, 77, 88, 98, 142, 154, 196, 284, 308, 392, 497, 539, 568, 616, 781, 994, 1078, 1562, 1889, 1988, 2156, 3124, 3479, 3778, 3976, 4312, 5467, 6248, 6958, 7556, 10934, 13223, 13916, 15112, 20779, 21868, 26446, 27832, 38269, 41558, 43736, 52892, 76538, 83116, 92561, 105784, 134119, 145453, 153076, 166232, 185122, 268238, 290906, 306152, 370244, 536476, 581812, 740488, 938833, 1018171, 1072952, 1163624, 1475309, 1877666, 2036342, 2950618, 3755332, 4072684, 5901236, 6571831, 7510664, 8145368, 10327163, 11802472, 13143662, 20654326, 26287324, 41308652, 52574648, 72290141, 82617304, 144580282, 289160564, 578321128]

約数ペア:

[(1, 578321128), (2, 289160564), (4, 144580282), (7, 82617304), (8, 72290141), (11, 52574648), (14, 41308652), (22, 26287324), (28, 20654326), (44, 13143662), (49, 11802472), (56, 10327163), (71, 8145368), (77, 7510664), (88, 6571831), (98, 5901236), (142, 4072684), (154, 3755332), (196, 2950618), (284, 2036342), (308, 1877666), (392, 1475309), (497, 1163624), (539, 1072952), (568, 1018171), (616, 938833), (781, 740488), (994, 581812), (1078, 536476), (1562, 370244), (1889, 306152), (1988, 290906), (2156, 268238), (3124, 185122), (3479, 166232), (3778, 153076), (3976, 145453), (4312, 134119), (5467, 105784), (6248, 92561), (6958, 83116), (7556, 76538), (10934, 52892), (13223, 43736), (13916, 41558), (15112, 38269), (20779, 27832), (21868, 26446)]