1279195904

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23027}}^1$

素因数の和:23081

約数の個数: 72

約数和(自身を含む): 3012430848

約数和(自身を除く): 1733234944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 7936, 13888, 23027, 27776, 46054, 55552, 92108, 161189, 184216, 322378, 368432, 644756, 713837, 736864, 1289512, 1427674, 1473728, 2579024, 2855348, 2947456, 4996859, 5158048, 5710696, 5894912, 9993718, 10316096, 11421392, 19987436, 20632192, 22842784, 39974872, 41264384, 45685568, 79949744, 91371136, 159899488, 182742272, 319798976, 639597952, 1279195904]

約数ペア:

[(1, 1279195904), (2, 639597952), (4, 319798976), (7, 182742272), (8, 159899488), (14, 91371136), (16, 79949744), (28, 45685568), (31, 41264384), (32, 39974872), (56, 22842784), (62, 20632192), (64, 19987436), (112, 11421392), (124, 10316096), (128, 9993718), (217, 5894912), (224, 5710696), (248, 5158048), (256, 4996859), (434, 2947456), (448, 2855348), (496, 2579024), (868, 1473728), (896, 1427674), (992, 1289512), (1736, 736864), (1792, 713837), (1984, 644756), (3472, 368432), (3968, 322378), (6944, 184216), (7936, 161189), (13888, 92108), (23027, 55552), (27776, 46054)]