201781190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{7879}}^1$

素因数の和:8096

約数の個数: 32

約数和(自身を含む): 393180480

約数和(自身を除く): 191399290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1970, 2561, 5122, 7879, 12805, 15758, 25610, 39395, 78790, 102427, 204854, 512135, 1024270, 1552163, 3104326, 7760815, 15521630, 20178119, 40356238, 100890595, 201781190]

約数ペア:

[(1, 201781190), (2, 100890595), (5, 40356238), (10, 20178119), (13, 15521630), (26, 7760815), (65, 3104326), (130, 1552163), (197, 1024270), (394, 512135), (985, 204854), (1970, 102427), (2561, 78790), (5122, 39395), (7879, 25610), (12805, 15758)]