81236896

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{195281}}^1$

素因数の和:195304

約数の個数: 24

約数和(自身を含む): 172238724

約数和(自身を除く): 91001828

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 195281, 390562, 781124, 1562248, 2538653, 3124496, 5077306, 6248992, 10154612, 20309224, 40618448, 81236896]

約数ペア:

[(1, 81236896), (2, 40618448), (4, 20309224), (8, 10154612), (13, 6248992), (16, 5077306), (26, 3124496), (32, 2538653), (52, 1562248), (104, 781124), (208, 390562), (416, 195281)]