280389616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1348027}}^1$

素因数の和:1348048

約数の個数: 20

約数和(自身を含む): 585044152

約数和(自身を除く): 304654536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1348027, 2696054, 5392108, 10784216, 17524351, 21568432, 35048702, 70097404, 140194808, 280389616]

約数ペア:

[(1, 280389616), (2, 140194808), (4, 70097404), (8, 35048702), (13, 21568432), (16, 17524351), (26, 10784216), (52, 5392108), (104, 2696054), (208, 1348027)]