201451408

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{25643}}^1$

素因数の和:26142

約数の個数: 20

約数和(自身を含む): 391122288

約数和(自身を除く): 189670880

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 25643, 51286, 102572, 205144, 410288, 12590713, 25181426, 50362852, 100725704, 201451408]

約数ペア:

[(1, 201451408), (2, 100725704), (4, 50362852), (8, 25181426), (16, 12590713), (491, 410288), (982, 205144), (1964, 102572), (3928, 51286), (7856, 25643)]