28517272

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16427}}^1$

素因数の和:16471

約数の個数: 32

約数和(自身を含む): 63083520

約数和(自身を除く): 34566248

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 16427, 32854, 65708, 114989, 131416, 229978, 459956, 509237, 919912, 1018474, 2036948, 3564659, 4073896, 7129318, 14258636, 28517272]

約数ペア:

[(1, 28517272), (2, 14258636), (4, 7129318), (7, 4073896), (8, 3564659), (14, 2036948), (28, 1018474), (31, 919912), (56, 509237), (62, 459956), (124, 229978), (217, 131416), (248, 114989), (434, 65708), (868, 32854), (1736, 16427)]