81633664

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:2991

約数の個数: 64

約数和(自身を含む): 191923200

約数和(自身を除く): 110289536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 2939, 3472, 3968, 5878, 6944, 11756, 13888, 20573, 23512, 27776, 41146, 47024, 82292, 91109, 94048, 164584, 182218, 188096, 329168, 364436, 376192, 637763, 658336, 728872, 1275526, 1316672, 1457744, 2551052, 2633344, 2915488, 5102104, 5830976, 10204208, 11661952, 20408416, 40816832, 81633664]

約数ペア:

[(1, 81633664), (2, 40816832), (4, 20408416), (7, 11661952), (8, 10204208), (14, 5830976), (16, 5102104), (28, 2915488), (31, 2633344), (32, 2551052), (56, 1457744), (62, 1316672), (64, 1275526), (112, 728872), (124, 658336), (128, 637763), (217, 376192), (224, 364436), (248, 329168), (434, 188096), (448, 182218), (496, 164584), (868, 94048), (896, 91109), (992, 82292), (1736, 47024), (1984, 41146), (2939, 27776), (3472, 23512), (3968, 20573), (5878, 13888), (6944, 11756)]