389627888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1873211}}^1$

素因数の和:1873232

約数の個数: 20

約数和(自身を含む): 812974008

約数和(自身を除く): 423346120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1873211, 3746422, 7492844, 14985688, 24351743, 29971376, 48703486, 97406972, 194813944, 389627888]

約数ペア:

[(1, 389627888), (2, 194813944), (4, 97406972), (8, 48703486), (13, 29971376), (16, 24351743), (26, 14985688), (52, 7492844), (104, 3746422), (208, 1873211)]