87081616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{320153}}^1$

素因数の和:320178

約数の個数: 20

約数和(自身を含む): 178645932

約数和(自身を除く): 91564316

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 320153, 640306, 1280612, 2561224, 5122448, 5442601, 10885202, 21770404, 43540808, 87081616]

約数ペア:

[(1, 87081616), (2, 43540808), (4, 21770404), (8, 10885202), (16, 5442601), (17, 5122448), (34, 2561224), (68, 1280612), (136, 640306), (272, 320153)]