81972448

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1547

約数の個数: 48

約数和(自身を含む): 169280496

約数和(自身を除く): 87308048

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1312, 1376, 1453, 1763, 2906, 3526, 5812, 7052, 11624, 14104, 23248, 28208, 46496, 56416, 59573, 62479, 119146, 124958, 238292, 249916, 476584, 499832, 953168, 999664, 1906336, 1999328, 2561639, 5123278, 10246556, 20493112, 40986224, 81972448]

約数ペア:

[(1, 81972448), (2, 40986224), (4, 20493112), (8, 10246556), (16, 5123278), (32, 2561639), (41, 1999328), (43, 1906336), (82, 999664), (86, 953168), (164, 499832), (172, 476584), (328, 249916), (344, 238292), (656, 124958), (688, 119146), (1312, 62479), (1376, 59573), (1453, 56416), (1763, 46496), (2906, 28208), (3526, 23248), (5812, 14104), (7052, 11624)]