201553786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{18481}}^1$

素因数の和:18550

約数の個数: 32

約数和(自身を含む): 372597120

約数和(自身を除く): 171043334

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 18481, 36962, 129367, 258734, 351139, 702278, 757721, 1515442, 2457973, 4915946, 5304047, 10608094, 14396699, 28793398, 100776893, 201553786]

約数ペア:

[(1, 201553786), (2, 100776893), (7, 28793398), (14, 14396699), (19, 10608094), (38, 5304047), (41, 4915946), (82, 2457973), (133, 1515442), (266, 757721), (287, 702278), (574, 351139), (779, 258734), (1558, 129367), (5453, 36962), (10906, 18481)]