163871408

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{144253}}^1$

素因数の和:144332

約数の個数: 20

約数和(自身を含む): 321974928

約数和(自身を除く): 158103520

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 144253, 288506, 577012, 1154024, 2308048, 10241963, 20483926, 40967852, 81935704, 163871408]

約数ペア:

[(1, 163871408), (2, 81935704), (4, 40967852), (8, 20483926), (16, 10241963), (71, 2308048), (142, 1154024), (284, 577012), (568, 288506), (1136, 144253)]