66880144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{134839}}^1$

素因数の和:134878

約数の個数: 20

約数和(自身を含む): 133761280

約数和(自身を除く): 66881136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 134839, 269678, 539356, 1078712, 2157424, 4180009, 8360018, 16720036, 33440072, 66880144]

約数ペア:

[(1, 66880144), (2, 33440072), (4, 16720036), (8, 8360018), (16, 4180009), (31, 2157424), (62, 1078712), (124, 539356), (248, 269678), (496, 134839)]