128728938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1650371}}^1$

素因数の和:1650389

約数の個数: 16

約数和(自身を含む): 277262496

約数和(自身を除く): 148533558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1650371, 3300742, 4951113, 9902226, 21454823, 42909646, 64364469, 128728938]

約数ペア:

[(1, 128728938), (2, 64364469), (3, 42909646), (6, 21454823), (13, 9902226), (26, 4951113), (39, 3300742), (78, 1650371)]