289658621

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 351571968

約数和(自身を除く): 61913347

約数列:

[1, 7, 43, 53, 67, 271, 301, 371, 469, 1897, 2279, 2881, 3551, 11653, 14363, 15953, 18157, 20167, 24857, 81571, 100541, 127099, 152693, 617609, 780751, 962321, 1068851, 4323263, 5465257, 6736247, 41379803, 289658621]

約数ペア:

[(1, 289658621), (7, 41379803), (43, 6736247), (53, 5465257), (67, 4323263), (271, 1068851), (301, 962321), (371, 780751), (469, 617609), (1897, 152693), (2279, 127099), (2881, 100541), (3551, 81571), (11653, 24857), (14363, 20167), (15953, 18157)]