81944656

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{165211}}^1$

素因数の和:165250

約数の個数: 20

約数和(自身を含む): 163890304

約数和(自身を除く): 81945648

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 165211, 330422, 660844, 1321688, 2643376, 5121541, 10243082, 20486164, 40972328, 81944656]

約数ペア:

[(1, 81944656), (2, 40972328), (4, 20486164), (8, 10243082), (16, 5121541), (31, 2643376), (62, 1321688), (124, 660844), (248, 330422), (496, 165211)]