28181088

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 89465040

約数和(自身を除く): 61283952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 169, 193, 208, 216, 234, 288, 312, 338, 351, 386, 416, 432, 468, 507, 579, 624, 676, 702, 772, 864, 936, 1014, 1158, 1248, 1352, 1404, 1521, 1544, 1737, 1872, 2028, 2316, 2509, 2704, 2808, 3042, 3088, 3474, 3744, 4056, 4563, 4632, 5018, 5211, 5408, 5616, 6084, 6176, 6948, 7527, 8112, 9126, 9264, 10036, 10422, 11232, 12168, 13896, 15054, 16224, 18252, 18528, 20072, 20844, 22581, 24336, 27792, 30108, 32617, 36504, 40144, 41688, 45162, 48672, 55584, 60216, 65234, 67743, 73008, 80288, 83376, 90324, 97851, 120432, 130468, 135486, 146016, 166752, 180648, 195702, 240864, 260936, 270972, 293553, 361296, 391404, 521872, 541944, 587106, 722592, 782808, 880659, 1043744, 1083888, 1174212, 1565616, 1761318, 2167776, 2348424, 3131232, 3522636, 4696848, 7045272, 9393696, 14090544, 28181088]

約数ペア:

[(1, 28181088), (2, 14090544), (3, 9393696), (4, 7045272), (6, 4696848), (8, 3522636), (9, 3131232), (12, 2348424), (13, 2167776), (16, 1761318), (18, 1565616), (24, 1174212), (26, 1083888), (27, 1043744), (32, 880659), (36, 782808), (39, 722592), (48, 587106), (52, 541944), (54, 521872), (72, 391404), (78, 361296), (96, 293553), (104, 270972), (108, 260936), (117, 240864), (144, 195702), (156, 180648), (169, 166752), (193, 146016), (208, 135486), (216, 130468), (234, 120432), (288, 97851), (312, 90324), (338, 83376), (351, 80288), (386, 73008), (416, 67743), (432, 65234), (468, 60216), (507, 55584), (579, 48672), (624, 45162), (676, 41688), (702, 40144), (772, 36504), (864, 32617), (936, 30108), (1014, 27792), (1158, 24336), (1248, 22581), (1352, 20844), (1404, 20072), (1521, 18528), (1544, 18252), (1737, 16224), (1872, 15054), (2028, 13896), (2316, 12168), (2509, 11232), (2704, 10422), (2808, 10036), (3042, 9264), (3088, 9126), (3474, 8112), (3744, 7527), (4056, 6948), (4563, 6176), (4632, 6084), (5018, 5616), (5211, 5408)]