256181436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19181}}^1$

素因数の和:19251

約数の個数: 72

約数和(自身を含む): 754082784

約数和(自身を除く): 497901348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2226, 3339, 4452, 6678, 13356, 19181, 38362, 57543, 76724, 115086, 134267, 172629, 230172, 268534, 345258, 402801, 537068, 690516, 805602, 1016593, 1208403, 1611204, 2033186, 2416806, 3049779, 4066372, 4833612, 6099558, 7116151, 9149337, 12199116, 14232302, 18298674, 21348453, 28464604, 36597348, 42696906, 64045359, 85393812, 128090718, 256181436]

約数ペア:

[(1, 256181436), (2, 128090718), (3, 85393812), (4, 64045359), (6, 42696906), (7, 36597348), (9, 28464604), (12, 21348453), (14, 18298674), (18, 14232302), (21, 12199116), (28, 9149337), (36, 7116151), (42, 6099558), (53, 4833612), (63, 4066372), (84, 3049779), (106, 2416806), (126, 2033186), (159, 1611204), (212, 1208403), (252, 1016593), (318, 805602), (371, 690516), (477, 537068), (636, 402801), (742, 345258), (954, 268534), (1113, 230172), (1484, 172629), (1908, 134267), (2226, 115086), (3339, 76724), (4452, 57543), (6678, 38362), (13356, 19181)]