211745072

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 533662272

約数和(自身を除く): 321917200

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 49, 56, 77, 86, 88, 98, 112, 154, 172, 176, 196, 301, 308, 344, 392, 473, 539, 571, 602, 616, 688, 784, 946, 1078, 1142, 1204, 1232, 1892, 2107, 2156, 2284, 2408, 3311, 3784, 3997, 4214, 4312, 4568, 4816, 6281, 6622, 7568, 7994, 8428, 8624, 9136, 12562, 13244, 15988, 16856, 23177, 24553, 25124, 26488, 27979, 31976, 33712, 43967, 46354, 49106, 50248, 52976, 55958, 63952, 87934, 92708, 98212, 100496, 111916, 171871, 175868, 185416, 196424, 223832, 270083, 307769, 343742, 351736, 370832, 392848, 447664, 540166, 615538, 687484, 703472, 1080332, 1203097, 1231076, 1374968, 1890581, 2160664, 2406194, 2462152, 2749936, 3781162, 4321328, 4812388, 4924304, 7562324, 9624776, 13234067, 15124648, 19249552, 26468134, 30249296, 52936268, 105872536, 211745072]

約数ペア:

[(1, 211745072), (2, 105872536), (4, 52936268), (7, 30249296), (8, 26468134), (11, 19249552), (14, 15124648), (16, 13234067), (22, 9624776), (28, 7562324), (43, 4924304), (44, 4812388), (49, 4321328), (56, 3781162), (77, 2749936), (86, 2462152), (88, 2406194), (98, 2160664), (112, 1890581), (154, 1374968), (172, 1231076), (176, 1203097), (196, 1080332), (301, 703472), (308, 687484), (344, 615538), (392, 540166), (473, 447664), (539, 392848), (571, 370832), (602, 351736), (616, 343742), (688, 307769), (784, 270083), (946, 223832), (1078, 196424), (1142, 185416), (1204, 175868), (1232, 171871), (1892, 111916), (2107, 100496), (2156, 98212), (2284, 92708), (2408, 87934), (3311, 63952), (3784, 55958), (3997, 52976), (4214, 50248), (4312, 49106), (4568, 46354), (4816, 43967), (6281, 33712), (6622, 31976), (7568, 27979), (7994, 26488), (8428, 25124), (8624, 24553), (9136, 23177), (12562, 16856), (13244, 15988)]