289160564

素因数分解:

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

素因数の和:1989

約数の個数: 72

約数和(自身を含む): 651551040

約数和(自身を除く): 362390476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 284, 308, 497, 539, 781, 994, 1078, 1562, 1889, 1988, 2156, 3124, 3479, 3778, 5467, 6958, 7556, 10934, 13223, 13916, 20779, 21868, 26446, 38269, 41558, 52892, 76538, 83116, 92561, 134119, 145453, 153076, 185122, 268238, 290906, 370244, 536476, 581812, 938833, 1018171, 1475309, 1877666, 2036342, 2950618, 3755332, 4072684, 5901236, 6571831, 10327163, 13143662, 20654326, 26287324, 41308652, 72290141, 144580282, 289160564]

約数ペア:

[(1, 289160564), (2, 144580282), (4, 72290141), (7, 41308652), (11, 26287324), (14, 20654326), (22, 13143662), (28, 10327163), (44, 6571831), (49, 5901236), (71, 4072684), (77, 3755332), (98, 2950618), (142, 2036342), (154, 1877666), (196, 1475309), (284, 1018171), (308, 938833), (497, 581812), (539, 536476), (781, 370244), (994, 290906), (1078, 268238), (1562, 185122), (1889, 153076), (1988, 145453), (2156, 134119), (3124, 92561), (3479, 83116), (3778, 76538), (5467, 52892), (6958, 41558), (7556, 38269), (10934, 26446), (13223, 21868), (13916, 20779)]