641647128

素因数分解:

$2^3\times 3^1\times {\mathrm{643}}^1\times {\mathrm{41579}}^1$

素因数の和:42231

約数の個数: 32

約数和(自身を含む): 1606651200

約数和(自身を除く): 965004072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 643, 1286, 1929, 2572, 3858, 5144, 7716, 15432, 41579, 83158, 124737, 166316, 249474, 332632, 498948, 997896, 26735297, 53470594, 80205891, 106941188, 160411782, 213882376, 320823564, 641647128]

約数ペア:

[(1, 641647128), (2, 320823564), (3, 213882376), (4, 160411782), (6, 106941188), (8, 80205891), (12, 53470594), (24, 26735297), (643, 997896), (1286, 498948), (1929, 332632), (2572, 249474), (3858, 166316), (5144, 124737), (7716, 83158), (15432, 41579)]