17966169193

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{35437}}^1$

素因数の和:35581

約数の個数: 32

約数和(自身を含む): 22208569344

約数和(自身を除く): 4242400151

約数列:

[1, 7, 23, 47, 67, 161, 329, 469, 1081, 1541, 3149, 7567, 10787, 22043, 35437, 72427, 248059, 506989, 815051, 1665539, 2374279, 5705357, 11658773, 16619953, 38307397, 54608417, 111591113, 268151779, 382258919, 781137791, 2566595599, 17966169193]

約数ペア:

[(1, 17966169193), (7, 2566595599), (23, 781137791), (47, 382258919), (67, 268151779), (161, 111591113), (329, 54608417), (469, 38307397), (1081, 16619953), (1541, 11658773), (3149, 5705357), (7567, 2374279), (10787, 1665539), (22043, 815051), (35437, 506989), (72427, 248059)]