28280164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 56137536

約数和(自身を除く): 27857372

約数列:

[1, 2, 4, 11, 22, 44, 53, 67, 106, 134, 181, 212, 268, 362, 583, 724, 737, 1166, 1474, 1991, 2332, 2948, 3551, 3982, 7102, 7964, 9593, 12127, 14204, 19186, 24254, 38372, 39061, 48508, 78122, 105523, 133397, 156244, 211046, 266794, 422092, 533588, 642731, 1285462, 2570924, 7070041, 14140082, 28280164]

約数ペア:

[(1, 28280164), (2, 14140082), (4, 7070041), (11, 2570924), (22, 1285462), (44, 642731), (53, 533588), (67, 422092), (106, 266794), (134, 211046), (181, 156244), (212, 133397), (268, 105523), (362, 78122), (583, 48508), (724, 39061), (737, 38372), (1166, 24254), (1474, 19186), (1991, 14204), (2332, 12127), (2948, 9593), (3551, 7964), (3982, 7102)]