28125424

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19751}}^1$

素因数の和:19848

約数の個数: 20

約数和(自身を含む): 55108080

約数和(自身を除く): 26982656

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19751, 39502, 79004, 158008, 316016, 1757839, 3515678, 7031356, 14062712, 28125424]

約数ペア:

[(1, 28125424), (2, 14062712), (4, 7031356), (8, 3515678), (16, 1757839), (89, 316016), (178, 158008), (356, 79004), (712, 39502), (1424, 19751)]