210971306

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 409307136

約数和(自身を除く): 198335830

約数列:

[1, 2, 7, 13, 14, 26, 31, 61, 62, 91, 122, 182, 217, 403, 427, 434, 613, 793, 806, 854, 1226, 1586, 1891, 2821, 3782, 4291, 5551, 5642, 7969, 8582, 11102, 13237, 15938, 19003, 24583, 26474, 37393, 38006, 49166, 55783, 74786, 111566, 133021, 172081, 247039, 261751, 266042, 344162, 486109, 494078, 523502, 972218, 1159183, 1729273, 2318366, 3402763, 3458546, 6805526, 8114281, 15069379, 16228562, 30138758, 105485653, 210971306]

約数ペア:

[(1, 210971306), (2, 105485653), (7, 30138758), (13, 16228562), (14, 15069379), (26, 8114281), (31, 6805526), (61, 3458546), (62, 3402763), (91, 2318366), (122, 1729273), (182, 1159183), (217, 972218), (403, 523502), (427, 494078), (434, 486109), (613, 344162), (793, 266042), (806, 261751), (854, 247039), (1226, 172081), (1586, 133021), (1891, 111566), (2821, 74786), (3782, 55783), (4291, 49166), (5551, 38006), (5642, 37393), (7969, 26474), (8582, 24583), (11102, 19003), (13237, 15938)]