28261402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20509}}^1$

素因数の和:20577

約数の個数: 16

約数和(自身を含む): 46516680

約数和(自身を除く): 18255278

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20509, 41018, 266617, 533234, 1086977, 2173954, 14130701, 28261402]

約数ペア:

[(1, 28261402), (2, 14130701), (13, 2173954), (26, 1086977), (53, 533234), (106, 266617), (689, 41018), (1378, 20509)]