217404768

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:549

約数の個数: 144

約数和(自身を含む): 671373360

約数和(自身を除く): 453968592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 113, 147, 168, 196, 224, 226, 294, 336, 339, 392, 409, 452, 588, 672, 678, 784, 791, 818, 904, 1176, 1227, 1356, 1568, 1582, 1636, 1808, 2352, 2373, 2454, 2712, 2863, 3164, 3272, 3616, 4704, 4746, 4908, 5424, 5537, 5726, 6328, 6544, 8589, 9492, 9816, 10848, 11074, 11452, 12656, 13088, 16611, 17178, 18984, 19632, 20041, 22148, 22904, 25312, 33222, 34356, 37968, 39264, 40082, 44296, 45808, 46217, 60123, 66444, 68712, 75936, 80164, 88592, 91616, 92434, 120246, 132888, 137424, 138651, 160328, 177184, 184868, 240492, 265776, 274848, 277302, 320656, 323519, 369736, 480984, 531552, 554604, 641312, 647038, 739472, 961968, 970557, 1109208, 1294076, 1478944, 1923936, 1941114, 2218416, 2264633, 2588152, 3882228, 4436832, 4529266, 5176304, 6793899, 7764456, 9058532, 10352608, 13587798, 15528912, 18117064, 27175596, 31057824, 36234128, 54351192, 72468256, 108702384, 217404768]

約数ペア:

[(1, 217404768), (2, 108702384), (3, 72468256), (4, 54351192), (6, 36234128), (7, 31057824), (8, 27175596), (12, 18117064), (14, 15528912), (16, 13587798), (21, 10352608), (24, 9058532), (28, 7764456), (32, 6793899), (42, 5176304), (48, 4529266), (49, 4436832), (56, 3882228), (84, 2588152), (96, 2264633), (98, 2218416), (112, 1941114), (113, 1923936), (147, 1478944), (168, 1294076), (196, 1109208), (224, 970557), (226, 961968), (294, 739472), (336, 647038), (339, 641312), (392, 554604), (409, 531552), (452, 480984), (588, 369736), (672, 323519), (678, 320656), (784, 277302), (791, 274848), (818, 265776), (904, 240492), (1176, 184868), (1227, 177184), (1356, 160328), (1568, 138651), (1582, 137424), (1636, 132888), (1808, 120246), (2352, 92434), (2373, 91616), (2454, 88592), (2712, 80164), (2863, 75936), (3164, 68712), (3272, 66444), (3616, 60123), (4704, 46217), (4746, 45808), (4908, 44296), (5424, 40082), (5537, 39264), (5726, 37968), (6328, 34356), (6544, 33222), (8589, 25312), (9492, 22904), (9816, 22148), (10848, 20041), (11074, 19632), (11452, 18984), (12656, 17178), (13088, 16611)]