90128656

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{181711}}^1$

素因数の和:181750

約数の個数: 20

約数和(自身を含む): 180258304

約数和(自身を除く): 90129648

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 181711, 363422, 726844, 1453688, 2907376, 5633041, 11266082, 22532164, 45064328, 90128656]

約数ペア:

[(1, 90128656), (2, 45064328), (4, 22532164), (8, 11266082), (16, 5633041), (31, 2907376), (62, 1453688), (124, 726844), (248, 363422), (496, 181711)]