261852032

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{157363}}^1$

素因数の和:157390

約数の個数: 32

約数和(自身を含む): 561789480

約数和(自身を除く): 299937448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 157363, 314726, 629452, 1258904, 2045719, 2517808, 4091438, 5035616, 8182876, 10071232, 16365752, 20142464, 32731504, 65463008, 130926016, 261852032]

約数ペア:

[(1, 261852032), (2, 130926016), (4, 65463008), (8, 32731504), (13, 20142464), (16, 16365752), (26, 10071232), (32, 8182876), (52, 5035616), (64, 4091438), (104, 2517808), (128, 2045719), (208, 1258904), (416, 629452), (832, 314726), (1664, 157363)]