1284656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{4723}}^1$

素因数の和:4748

約数の個数: 20

約数和(自身を含む): 2635992

約数和(自身を除く): 1351336

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 4723, 9446, 18892, 37784, 75568, 80291, 160582, 321164, 642328, 1284656]

約数ペア:

[(1, 1284656), (2, 642328), (4, 321164), (8, 160582), (16, 80291), (17, 75568), (34, 37784), (68, 18892), (136, 9446), (272, 4723)]