209921894

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1365

約数の個数: 64

約数和(自身を含む): 414167040

約数和(自身を除く): 204245146

約数列:

[1, 2, 7, 13, 14, 26, 29, 31, 58, 62, 91, 182, 203, 217, 377, 403, 406, 434, 754, 806, 899, 1283, 1798, 2566, 2639, 2821, 5278, 5642, 6293, 8981, 11687, 12586, 16679, 17962, 23374, 33358, 37207, 39773, 74414, 79546, 81809, 116753, 163618, 233506, 260449, 278411, 483691, 517049, 520898, 556822, 967382, 1034098, 1153417, 2306834, 3385837, 3619343, 6771674, 7238686, 8073919, 14994421, 16147838, 29988842, 104960947, 209921894]

約数ペア:

[(1, 209921894), (2, 104960947), (7, 29988842), (13, 16147838), (14, 14994421), (26, 8073919), (29, 7238686), (31, 6771674), (58, 3619343), (62, 3385837), (91, 2306834), (182, 1153417), (203, 1034098), (217, 967382), (377, 556822), (403, 520898), (406, 517049), (434, 483691), (754, 278411), (806, 260449), (899, 233506), (1283, 163618), (1798, 116753), (2566, 81809), (2639, 79546), (2821, 74414), (5278, 39773), (5642, 37207), (6293, 33358), (8981, 23374), (11687, 17962), (12586, 16679)]