28187516

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12743}}^1$

素因数の和:12833

約数の個数: 24

約数和(自身を含む): 57093120

約数和(自身を除く): 28905604

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 12743, 25486, 50972, 89201, 178402, 356804, 1006697, 2013394, 4026788, 7046879, 14093758, 28187516]

約数ペア:

[(1, 28187516), (2, 14093758), (4, 7046879), (7, 4026788), (14, 2013394), (28, 1006697), (79, 356804), (158, 178402), (316, 89201), (553, 50972), (1106, 25486), (2212, 12743)]