28741248

素因数分解:

$2^7\times 3^2\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 84267300

約数和(自身を除く): 55526052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 96, 122, 128, 144, 183, 192, 244, 288, 366, 384, 409, 488, 549, 576, 732, 818, 976, 1098, 1152, 1227, 1464, 1636, 1952, 2196, 2454, 2928, 3272, 3681, 3904, 4392, 4908, 5856, 6544, 7362, 7808, 8784, 9816, 11712, 13088, 14724, 17568, 19632, 23424, 24949, 26176, 29448, 35136, 39264, 49898, 52352, 58896, 70272, 74847, 78528, 99796, 117792, 149694, 157056, 199592, 224541, 235584, 299388, 399184, 449082, 471168, 598776, 798368, 898164, 1197552, 1596736, 1796328, 2395104, 3193472, 3592656, 4790208, 7185312, 9580416, 14370624, 28741248]

約数ペア:

[(1, 28741248), (2, 14370624), (3, 9580416), (4, 7185312), (6, 4790208), (8, 3592656), (9, 3193472), (12, 2395104), (16, 1796328), (18, 1596736), (24, 1197552), (32, 898164), (36, 798368), (48, 598776), (61, 471168), (64, 449082), (72, 399184), (96, 299388), (122, 235584), (128, 224541), (144, 199592), (183, 157056), (192, 149694), (244, 117792), (288, 99796), (366, 78528), (384, 74847), (409, 70272), (488, 58896), (549, 52352), (576, 49898), (732, 39264), (818, 35136), (976, 29448), (1098, 26176), (1152, 24949), (1227, 23424), (1464, 19632), (1636, 17568), (1952, 14724), (2196, 13088), (2454, 11712), (2928, 9816), (3272, 8784), (3681, 7808), (3904, 7362), (4392, 6544), (4908, 5856)]