257804092

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 108

約数和(自身を含む): 584720136

約数和(自身を除く): 326916044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 86, 91, 98, 169, 172, 181, 182, 196, 301, 338, 362, 364, 559, 602, 637, 676, 724, 1118, 1183, 1204, 1267, 1274, 2107, 2236, 2353, 2366, 2534, 2548, 3913, 4214, 4706, 4732, 5068, 7267, 7783, 7826, 8281, 8428, 8869, 9412, 14534, 15566, 15652, 16471, 16562, 17738, 27391, 29068, 30589, 31132, 32942, 33124, 35476, 50869, 54481, 54782, 61178, 65884, 101179, 101738, 108962, 109564, 115297, 122356, 202358, 203476, 214123, 217924, 230594, 356083, 381367, 404716, 428246, 461188, 708253, 712166, 762734, 856492, 1315327, 1416506, 1424332, 1498861, 1525468, 2630654, 2833012, 2997722, 4957771, 5261308, 5995444, 9207289, 9915542, 18414578, 19831084, 36829156, 64451023, 128902046, 257804092]

約数ペア:

[(1, 257804092), (2, 128902046), (4, 64451023), (7, 36829156), (13, 19831084), (14, 18414578), (26, 9915542), (28, 9207289), (43, 5995444), (49, 5261308), (52, 4957771), (86, 2997722), (91, 2833012), (98, 2630654), (169, 1525468), (172, 1498861), (181, 1424332), (182, 1416506), (196, 1315327), (301, 856492), (338, 762734), (362, 712166), (364, 708253), (559, 461188), (602, 428246), (637, 404716), (676, 381367), (724, 356083), (1118, 230594), (1183, 217924), (1204, 214123), (1267, 203476), (1274, 202358), (2107, 122356), (2236, 115297), (2353, 109564), (2366, 108962), (2534, 101738), (2548, 101179), (3913, 65884), (4214, 61178), (4706, 54782), (4732, 54481), (5068, 50869), (7267, 35476), (7783, 33124), (7826, 32942), (8281, 31132), (8428, 30589), (8869, 29068), (9412, 27391), (14534, 17738), (15566, 16562), (15652, 16471)]