207730985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 316033536

約数和(自身を除く): 108302551

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 181, 271, 385, 605, 847, 905, 1267, 1355, 1897, 1991, 2981, 4235, 6335, 9485, 9955, 13937, 14905, 20867, 21901, 32791, 49051, 69685, 104335, 109505, 153307, 163955, 229537, 245255, 343357, 539561, 766535, 1147685, 1716785, 2697805, 3776927, 5935171, 18884635, 29675855, 41546197, 207730985]

約数ペア:

[(1, 207730985), (5, 41546197), (7, 29675855), (11, 18884635), (35, 5935171), (55, 3776927), (77, 2697805), (121, 1716785), (181, 1147685), (271, 766535), (385, 539561), (605, 343357), (847, 245255), (905, 229537), (1267, 163955), (1355, 153307), (1897, 109505), (1991, 104335), (2981, 69685), (4235, 49051), (6335, 32791), (9485, 21901), (9955, 20867), (13937, 14905)]