1209884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 2328480

約数和(自身を除く): 1118596

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 439, 689, 878, 1378, 1756, 2756, 5707, 11414, 22828, 23267, 46534, 93068, 302471, 604942, 1209884]

約数ペア:

[(1, 1209884), (2, 604942), (4, 302471), (13, 93068), (26, 46534), (52, 23267), (53, 22828), (106, 11414), (212, 5707), (439, 2756), (689, 1756), (878, 1378)]