86787631

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 107053056

約数和(自身を除く): 20265425

約数列:

[1, 7, 31, 43, 71, 131, 217, 301, 497, 917, 1333, 2201, 3053, 4061, 5633, 9301, 9331, 15407, 21371, 28427, 39431, 65107, 94643, 174623, 288331, 399943, 662501, 1222361, 2018317, 2799601, 12398233, 86787631]

約数ペア:

[(1, 86787631), (7, 12398233), (31, 2799601), (43, 2018317), (71, 1222361), (131, 662501), (217, 399943), (301, 288331), (497, 174623), (917, 94643), (1333, 65107), (2201, 39431), (3053, 28427), (4061, 21371), (5633, 15407), (9301, 9331)]