28209584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135623}}^1$

素因数の和:135644

約数の個数: 20

約数和(自身を含む): 58860816

約数和(自身を除く): 30651232

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135623, 271246, 542492, 1084984, 1763099, 2169968, 3526198, 7052396, 14104792, 28209584]

約数ペア:

[(1, 28209584), (2, 14104792), (4, 7052396), (8, 3526198), (13, 2169968), (16, 1763099), (26, 1084984), (52, 542492), (104, 271246), (208, 135623)]