209123512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{3259}}^1$

素因数の和:3895

約数の個数: 32

約数和(自身を含む): 423082800

約数和(自身を除く): 213959288

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 617, 1234, 2468, 3259, 4936, 6518, 8021, 13036, 16042, 26072, 32084, 42367, 64168, 84734, 169468, 338936, 2010803, 4021606, 8043212, 16086424, 26140439, 52280878, 104561756, 209123512]

約数ペア:

[(1, 209123512), (2, 104561756), (4, 52280878), (8, 26140439), (13, 16086424), (26, 8043212), (52, 4021606), (104, 2010803), (617, 338936), (1234, 169468), (2468, 84734), (3259, 64168), (4936, 42367), (6518, 32084), (8021, 26072), (13036, 16042)]