258194768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1241321}}^1$

素因数の和:1241342

約数の個数: 20

約数和(自身を含む): 538733748

約数和(自身を除く): 280538980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1241321, 2482642, 4965284, 9930568, 16137173, 19861136, 32274346, 64548692, 129097384, 258194768]

約数ペア:

[(1, 258194768), (2, 129097384), (4, 64548692), (8, 32274346), (13, 19861136), (16, 16137173), (26, 9930568), (52, 4965284), (104, 2482642), (208, 1241321)]