201679985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 273466368

約数和(自身を除く): 71786383

約数列:

[1, 5, 13, 23, 65, 115, 299, 313, 431, 1495, 1565, 2155, 4069, 5603, 7199, 9913, 20345, 28015, 35995, 49565, 93587, 128869, 134903, 467935, 644345, 674515, 1753739, 3102769, 8768695, 15513845, 40335997, 201679985]

約数ペア:

[(1, 201679985), (5, 40335997), (13, 15513845), (23, 8768695), (65, 3102769), (115, 1753739), (299, 674515), (313, 644345), (431, 467935), (1495, 134903), (1565, 128869), (2155, 93587), (4069, 49565), (5603, 35995), (7199, 28015), (9913, 20345)]