209910012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1345577}}^1$

素因数の和:1345597

約数の個数: 24

約数和(自身を含む): 527466576

約数和(自身を除く): 317556564

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1345577, 2691154, 4036731, 5382308, 8073462, 16146924, 17492501, 34985002, 52477503, 69970004, 104955006, 209910012]

約数ペア:

[(1, 209910012), (2, 104955006), (3, 69970004), (4, 52477503), (6, 34985002), (12, 17492501), (13, 16146924), (26, 8073462), (39, 5382308), (52, 4036731), (78, 2691154), (156, 1345577)]