128564384

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{23773}}^1$

素因数の和:23809

約数の個数: 36

約数和(自身を含む): 274090446

約数和(自身を除く): 145526062

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 23773, 47546, 95092, 190184, 309049, 380368, 618098, 760736, 1236196, 2472392, 4017637, 4944784, 8035274, 9889568, 16070548, 32141096, 64282192, 128564384]

約数ペア:

[(1, 128564384), (2, 64282192), (4, 32141096), (8, 16070548), (13, 9889568), (16, 8035274), (26, 4944784), (32, 4017637), (52, 2472392), (104, 1236196), (169, 760736), (208, 618098), (338, 380368), (416, 309049), (676, 190184), (1352, 95092), (2704, 47546), (5408, 23773)]