72978983

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 93965184

約数和(自身を除く): 20986201

約数列:

[1, 7, 11, 49, 71, 77, 497, 539, 781, 1907, 3479, 5467, 13349, 20977, 38269, 93443, 135397, 146839, 947779, 1027873, 1489367, 6634453, 10425569, 72978983]

約数ペア:

[(1, 72978983), (7, 10425569), (11, 6634453), (49, 1489367), (71, 1027873), (77, 947779), (497, 146839), (539, 135397), (781, 93443), (1907, 38269), (3479, 20977), (5467, 13349)]