208984144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{421339}}^1$

素因数の和:421378

約数の個数: 20

約数和(自身を含む): 417969280

約数和(自身を除く): 208985136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 421339, 842678, 1685356, 3370712, 6741424, 13061509, 26123018, 52246036, 104492072, 208984144]

約数ペア:

[(1, 208984144), (2, 104492072), (4, 52246036), (8, 26123018), (16, 13061509), (31, 6741424), (62, 3370712), (124, 1685356), (248, 842678), (496, 421339)]