81603424

素因数分解:

$2^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:828

約数の個数: 72

約数和(自身を含む): 189777168

約数和(自身を除く): 108173744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 71, 98, 112, 142, 196, 224, 284, 392, 497, 568, 733, 784, 994, 1136, 1466, 1568, 1988, 2272, 2932, 3479, 3976, 5131, 5864, 6958, 7952, 10262, 11728, 13916, 15904, 20524, 23456, 27832, 35917, 41048, 52043, 55664, 71834, 82096, 104086, 111328, 143668, 164192, 208172, 287336, 364301, 416344, 574672, 728602, 832688, 1149344, 1457204, 1665376, 2550107, 2914408, 5100214, 5828816, 10200428, 11657632, 20400856, 40801712, 81603424]

約数ペア:

[(1, 81603424), (2, 40801712), (4, 20400856), (7, 11657632), (8, 10200428), (14, 5828816), (16, 5100214), (28, 2914408), (32, 2550107), (49, 1665376), (56, 1457204), (71, 1149344), (98, 832688), (112, 728602), (142, 574672), (196, 416344), (224, 364301), (284, 287336), (392, 208172), (497, 164192), (568, 143668), (733, 111328), (784, 104086), (994, 82096), (1136, 71834), (1466, 55664), (1568, 52043), (1988, 41048), (2272, 35917), (2932, 27832), (3479, 23456), (3976, 20524), (5131, 15904), (5864, 13916), (6958, 11728), (7952, 10262)]