320189008

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{11351}}^1$

素因数の和:11443

約数の個数: 40

約数和(自身を含む): 650333376

約数和(自身を除く): 330144368

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1763, 3526, 7052, 11351, 14104, 22702, 28208, 45404, 90808, 181616, 465391, 488093, 930782, 976186, 1861564, 1952372, 3723128, 3904744, 7446256, 7809488, 20011813, 40023626, 80047252, 160094504, 320189008]

約数ペア:

[(1, 320189008), (2, 160094504), (4, 80047252), (8, 40023626), (16, 20011813), (41, 7809488), (43, 7446256), (82, 3904744), (86, 3723128), (164, 1952372), (172, 1861564), (328, 976186), (344, 930782), (656, 488093), (688, 465391), (1763, 181616), (3526, 90808), (7052, 45404), (11351, 28208), (14104, 22702)]