157020479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 201277440

約数和(自身を除く): 44256961

約数列:

[1, 7, 11, 77, 79, 83, 311, 553, 581, 869, 913, 2177, 3421, 6083, 6391, 6557, 23947, 24569, 25813, 45899, 72127, 171983, 180691, 270259, 283943, 504889, 1891813, 1987601, 2039227, 14274589, 22431497, 157020479]

約数ペア:

[(1, 157020479), (7, 22431497), (11, 14274589), (77, 2039227), (79, 1987601), (83, 1891813), (311, 504889), (553, 283943), (581, 270259), (869, 180691), (913, 171983), (2177, 72127), (3421, 45899), (6083, 25813), (6391, 24569), (6557, 23947)]