28676984

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16519}}^1$

素因数の和:16563

約数の個数: 32

約数和(自身を含む): 63436800

約数和(自身を除く): 34759816

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 16519, 33038, 66076, 115633, 132152, 231266, 462532, 512089, 925064, 1024178, 2048356, 3584623, 4096712, 7169246, 14338492, 28676984]

約数ペア:

[(1, 28676984), (2, 14338492), (4, 7169246), (7, 4096712), (8, 3584623), (14, 2048356), (28, 1024178), (31, 925064), (56, 512089), (62, 462532), (124, 231266), (217, 132152), (248, 115633), (434, 66076), (868, 33038), (1736, 16519)]