205721726

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 389670912

約数和(自身を除く): 183949186

約数列:

[1, 2, 7, 14, 17, 34, 47, 53, 94, 106, 119, 238, 329, 347, 371, 658, 694, 742, 799, 901, 1598, 1802, 2429, 2491, 4858, 4982, 5593, 5899, 6307, 11186, 11798, 12614, 16309, 17437, 18391, 32618, 34874, 36782, 41293, 42347, 82586, 84694, 114163, 128737, 228326, 257474, 277253, 296429, 312647, 554506, 592858, 625294, 864377, 1728754, 1940771, 2188529, 3881542, 4377058, 6050639, 12101278, 14694409, 29388818, 102860863, 205721726]

約数ペア:

[(1, 205721726), (2, 102860863), (7, 29388818), (14, 14694409), (17, 12101278), (34, 6050639), (47, 4377058), (53, 3881542), (94, 2188529), (106, 1940771), (119, 1728754), (238, 864377), (329, 625294), (347, 592858), (371, 554506), (658, 312647), (694, 296429), (742, 277253), (799, 257474), (901, 228326), (1598, 128737), (1802, 114163), (2429, 84694), (2491, 82586), (4858, 42347), (4982, 41293), (5593, 36782), (5899, 34874), (6307, 32618), (11186, 18391), (11798, 17437), (12614, 16309)]