287331338

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 536544000

約数和(自身を除く): 249212662

約数列:

[1, 2, 7, 14, 19, 38, 53, 89, 106, 133, 178, 229, 266, 371, 458, 623, 742, 1007, 1246, 1603, 1691, 2014, 3206, 3382, 4351, 4717, 7049, 8702, 9434, 11837, 12137, 14098, 20381, 23674, 24274, 30457, 33019, 40762, 60914, 66038, 84959, 89623, 142667, 169918, 179246, 230603, 285334, 387239, 461206, 627361, 774478, 1080193, 1254722, 1614221, 2160386, 2710673, 3228442, 5421346, 7561351, 15122702, 20523667, 41047334, 143665669, 287331338]

約数ペア:

[(1, 287331338), (2, 143665669), (7, 41047334), (14, 20523667), (19, 15122702), (38, 7561351), (53, 5421346), (89, 3228442), (106, 2710673), (133, 2160386), (178, 1614221), (229, 1254722), (266, 1080193), (371, 774478), (458, 627361), (623, 461206), (742, 387239), (1007, 285334), (1246, 230603), (1603, 179246), (1691, 169918), (2014, 142667), (3206, 89623), (3382, 84959), (4351, 66038), (4717, 60914), (7049, 40762), (8702, 33019), (9434, 30457), (11837, 24274), (12137, 23674), (14098, 20381)]