538470916

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 995904000

約数和(自身を除く): 457433084

約数列:

[1, 2, 4, 37, 47, 74, 94, 148, 188, 199, 389, 398, 778, 796, 1556, 1739, 3478, 6956, 7363, 9353, 14393, 14726, 18283, 18706, 28786, 29452, 36566, 37412, 57572, 73132, 77411, 154822, 309644, 346061, 676471, 692122, 1352942, 1384244, 2705884, 2864207, 3638317, 5728414, 7276634, 11456828, 14553268, 134617729, 269235458, 538470916]

約数ペア:

[(1, 538470916), (2, 269235458), (4, 134617729), (37, 14553268), (47, 11456828), (74, 7276634), (94, 5728414), (148, 3638317), (188, 2864207), (199, 2705884), (389, 1384244), (398, 1352942), (778, 692122), (796, 676471), (1556, 346061), (1739, 309644), (3478, 154822), (6956, 77411), (7363, 73132), (9353, 57572), (14393, 37412), (14726, 36566), (18283, 29452), (18706, 28786)]