209219504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{907}}^1\times {\mathrm{1109}}^1$

素因数の和:2037

約数の個数: 40

約数和(自身を含む): 437419920

約数和(自身を除く): 228200416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 907, 1109, 1814, 2218, 3628, 4436, 7256, 8872, 11791, 14417, 14512, 17744, 23582, 28834, 47164, 57668, 94328, 115336, 188656, 230672, 1005863, 2011726, 4023452, 8046904, 13076219, 16093808, 26152438, 52304876, 104609752, 209219504]

約数ペア:

[(1, 209219504), (2, 104609752), (4, 52304876), (8, 26152438), (13, 16093808), (16, 13076219), (26, 8046904), (52, 4023452), (104, 2011726), (208, 1005863), (907, 230672), (1109, 188656), (1814, 115336), (2218, 94328), (3628, 57668), (4436, 47164), (7256, 28834), (8872, 23582), (11791, 17744), (14417, 14512)]