256699664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1234133}}^1$

素因数の和:1234154

約数の個数: 20

約数和(自身を含む): 535614156

約数和(自身を除く): 278914492

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1234133, 2468266, 4936532, 9873064, 16043729, 19746128, 32087458, 64174916, 128349832, 256699664]

約数ペア:

[(1, 256699664), (2, 128349832), (4, 64174916), (8, 32087458), (13, 19746128), (16, 16043729), (26, 9873064), (52, 4936532), (104, 2468266), (208, 1234133)]