319176976

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{31121}}^1$

素因数の和:31770

約数の個数: 20

約数和(自身を含む): 619390044

約数和(自身を除く): 300213068

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 31121, 62242, 124484, 248968, 497936, 19948561, 39897122, 79794244, 159588488, 319176976]

約数ペア:

[(1, 319176976), (2, 159588488), (4, 79794244), (8, 39897122), (16, 19948561), (641, 497936), (1282, 248968), (2564, 124484), (5128, 62242), (10256, 31121)]