159796816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{322171}}^1$

素因数の和:322210

約数の個数: 20

約数和(自身を含む): 319594624

約数和(自身を除く): 159797808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 322171, 644342, 1288684, 2577368, 5154736, 9987301, 19974602, 39949204, 79898408, 159796816]

約数ペア:

[(1, 159796816), (2, 79898408), (4, 39949204), (8, 19974602), (16, 9987301), (31, 5154736), (62, 2577368), (124, 1288684), (248, 644342), (496, 322171)]