71688416

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 144789120

約数和(自身を除く): 73100704

約数列:

[1, 2, 4, 8, 16, 32, 71, 139, 142, 227, 278, 284, 454, 556, 568, 908, 1112, 1136, 1816, 2224, 2272, 3632, 4448, 7264, 9869, 16117, 19738, 31553, 32234, 39476, 63106, 64468, 78952, 126212, 128936, 157904, 252424, 257872, 315808, 504848, 515744, 1009696, 2240263, 4480526, 8961052, 17922104, 35844208, 71688416]

約数ペア:

[(1, 71688416), (2, 35844208), (4, 17922104), (8, 8961052), (16, 4480526), (32, 2240263), (71, 1009696), (139, 515744), (142, 504848), (227, 315808), (278, 257872), (284, 252424), (454, 157904), (556, 128936), (568, 126212), (908, 78952), (1112, 64468), (1136, 63106), (1816, 39476), (2224, 32234), (2272, 31553), (3632, 19738), (4448, 16117), (7264, 9869)]