381656128

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{27481}}^1$

素因数の和:27531

約数の個数: 56

約数和(自身を含む): 893494784

約数和(自身を除く): 511838656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 27481, 54962, 109924, 192367, 219848, 384734, 439696, 769468, 851911, 879392, 1538936, 1703822, 1758784, 3077872, 3407644, 5963377, 6155744, 6815288, 11926754, 12311488, 13630576, 23853508, 27261152, 47707016, 54522304, 95414032, 190828064, 381656128]

約数ペア:

[(1, 381656128), (2, 190828064), (4, 95414032), (7, 54522304), (8, 47707016), (14, 27261152), (16, 23853508), (28, 13630576), (31, 12311488), (32, 11926754), (56, 6815288), (62, 6155744), (64, 5963377), (112, 3407644), (124, 3077872), (217, 1758784), (224, 1703822), (248, 1538936), (434, 879392), (448, 851911), (496, 769468), (868, 439696), (992, 384734), (1736, 219848), (1984, 192367), (3472, 109924), (6944, 54962), (13888, 27481)]