257212592

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 120

約数和(自身を含む): 627388416

約数和(自身を除く): 370175824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 107, 112, 127, 169, 182, 208, 214, 254, 338, 364, 428, 508, 676, 728, 749, 856, 889, 1016, 1183, 1352, 1391, 1456, 1498, 1651, 1712, 1778, 2032, 2366, 2704, 2782, 2996, 3302, 3556, 4732, 5564, 5992, 6604, 7112, 9464, 9737, 11128, 11557, 11984, 13208, 13589, 14224, 18083, 18928, 19474, 21463, 22256, 23114, 26416, 27178, 36166, 38948, 42926, 46228, 54356, 72332, 77896, 85852, 92456, 95123, 108712, 126581, 144664, 150241, 155792, 171704, 176657, 184912, 190246, 217424, 253162, 289328, 300482, 343408, 353314, 380492, 506324, 600964, 706628, 760984, 1012648, 1201928, 1236599, 1413256, 1521968, 2025296, 2296541, 2403856, 2473198, 2826512, 4593082, 4946396, 9186164, 9892792, 16075787, 18372328, 19785584, 32151574, 36744656, 64303148, 128606296, 257212592]

約数ペア:

[(1, 257212592), (2, 128606296), (4, 64303148), (7, 36744656), (8, 32151574), (13, 19785584), (14, 18372328), (16, 16075787), (26, 9892792), (28, 9186164), (52, 4946396), (56, 4593082), (91, 2826512), (104, 2473198), (107, 2403856), (112, 2296541), (127, 2025296), (169, 1521968), (182, 1413256), (208, 1236599), (214, 1201928), (254, 1012648), (338, 760984), (364, 706628), (428, 600964), (508, 506324), (676, 380492), (728, 353314), (749, 343408), (856, 300482), (889, 289328), (1016, 253162), (1183, 217424), (1352, 190246), (1391, 184912), (1456, 176657), (1498, 171704), (1651, 155792), (1712, 150241), (1778, 144664), (2032, 126581), (2366, 108712), (2704, 95123), (2782, 92456), (2996, 85852), (3302, 77896), (3556, 72332), (4732, 54356), (5564, 46228), (5992, 42926), (6604, 38948), (7112, 36166), (9464, 27178), (9737, 26416), (11128, 23114), (11557, 22256), (11984, 21463), (13208, 19474), (13589, 18928), (14224, 18083)]