28064454

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 63825408

約数和(自身を除く): 35760954

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 66, 71, 106, 113, 142, 159, 213, 226, 318, 339, 426, 583, 678, 781, 1166, 1243, 1562, 1749, 2343, 2486, 3498, 3729, 3763, 4686, 5989, 7458, 7526, 8023, 11289, 11978, 16046, 17967, 22578, 24069, 35934, 41393, 48138, 65879, 82786, 88253, 124179, 131758, 176506, 197637, 248358, 264759, 395274, 425219, 529518, 850438, 1275657, 2551314, 4677409, 9354818, 14032227, 28064454]

約数ペア:

[(1, 28064454), (2, 14032227), (3, 9354818), (6, 4677409), (11, 2551314), (22, 1275657), (33, 850438), (53, 529518), (66, 425219), (71, 395274), (106, 264759), (113, 248358), (142, 197637), (159, 176506), (213, 131758), (226, 124179), (318, 88253), (339, 82786), (426, 65879), (583, 48138), (678, 41393), (781, 35934), (1166, 24069), (1243, 22578), (1562, 17967), (1749, 16046), (2343, 11978), (2486, 11289), (3498, 8023), (3729, 7526), (3763, 7458), (4686, 5989)]