647868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4153}}^1$

素因数の和:4173

約数の個数: 24

約数和(自身を含む): 1628368

約数和(自身を除く): 980500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 4153, 8306, 12459, 16612, 24918, 49836, 53989, 107978, 161967, 215956, 323934, 647868]

約数ペア:

[(1, 647868), (2, 323934), (3, 215956), (4, 161967), (6, 107978), (12, 53989), (13, 49836), (26, 24918), (39, 16612), (52, 12459), (78, 8306), (156, 4153)]