209809984

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{105751}}^1$

素因数の和:105794

約数の個数: 28

約数和(自身を含む): 429776128

約数和(自身を除く): 219966144

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 105751, 211502, 423004, 846008, 1692016, 3278281, 3384032, 6556562, 6768064, 13113124, 26226248, 52452496, 104904992, 209809984]

約数ペア:

[(1, 209809984), (2, 104904992), (4, 52452496), (8, 26226248), (16, 13113124), (31, 6768064), (32, 6556562), (62, 3384032), (64, 3278281), (124, 1692016), (248, 846008), (496, 423004), (992, 211502), (1984, 105751)]