28403176

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2789}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 56916000

約数和(自身を除く): 28512824

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 2546, 2789, 5092, 5578, 10184, 11156, 22312, 52991, 105982, 186863, 211964, 373726, 423928, 747452, 1494904, 3550397, 7100794, 14201588, 28403176]

約数ペア:

[(1, 28403176), (2, 14201588), (4, 7100794), (8, 3550397), (19, 1494904), (38, 747452), (67, 423928), (76, 373726), (134, 211964), (152, 186863), (268, 105982), (536, 52991), (1273, 22312), (2546, 11156), (2789, 10184), (5092, 5578)]