131899768

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 341719560

約数和(自身を除く): 209819792

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 143, 154, 169, 181, 182, 196, 286, 308, 338, 362, 364, 392, 539, 572, 616, 637, 676, 724, 728, 1001, 1078, 1144, 1183, 1267, 1274, 1352, 1448, 1859, 1991, 2002, 2156, 2353, 2366, 2534, 2548, 3718, 3982, 4004, 4312, 4706, 4732, 5068, 5096, 7007, 7436, 7964, 8008, 8281, 8869, 9412, 9464, 10136, 13013, 13937, 14014, 14872, 15928, 16471, 16562, 17738, 18824, 25883, 26026, 27874, 28028, 30589, 32942, 33124, 35476, 51766, 52052, 55748, 56056, 61178, 65884, 66248, 70952, 91091, 97559, 103532, 104104, 111496, 115297, 122356, 131768, 181181, 182182, 195118, 207064, 214123, 230594, 244712, 336479, 362362, 364364, 390236, 428246, 461188, 672958, 724724, 728728, 780472, 856492, 922376, 1268267, 1345916, 1449448, 1498861, 1712984, 2355353, 2536534, 2691832, 2997722, 4710706, 5073068, 5995444, 9421412, 10146136, 11990888, 16487471, 18842824, 32974942, 65949884, 131899768]

約数ペア:

[(1, 131899768), (2, 65949884), (4, 32974942), (7, 18842824), (8, 16487471), (11, 11990888), (13, 10146136), (14, 9421412), (22, 5995444), (26, 5073068), (28, 4710706), (44, 2997722), (49, 2691832), (52, 2536534), (56, 2355353), (77, 1712984), (88, 1498861), (91, 1449448), (98, 1345916), (104, 1268267), (143, 922376), (154, 856492), (169, 780472), (181, 728728), (182, 724724), (196, 672958), (286, 461188), (308, 428246), (338, 390236), (362, 364364), (364, 362362), (392, 336479), (539, 244712), (572, 230594), (616, 214123), (637, 207064), (676, 195118), (724, 182182), (728, 181181), (1001, 131768), (1078, 122356), (1144, 115297), (1183, 111496), (1267, 104104), (1274, 103532), (1352, 97559), (1448, 91091), (1859, 70952), (1991, 66248), (2002, 65884), (2156, 61178), (2353, 56056), (2366, 55748), (2534, 52052), (2548, 51766), (3718, 35476), (3982, 33124), (4004, 32942), (4312, 30589), (4706, 28028), (4732, 27874), (5068, 26026), (5096, 25883), (7007, 18824), (7436, 17738), (7964, 16562), (8008, 16471), (8281, 15928), (8869, 14872), (9412, 14014), (9464, 13937), (10136, 13013)]