91457890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397643}}^1$

素因数の和:397673

約数の個数: 16

約数和(自身を含む): 171782208

約数和(自身を除く): 80324318

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 397643, 795286, 1988215, 3976430, 9145789, 18291578, 45728945, 91457890]

約数ペア:

[(1, 91457890), (2, 45728945), (5, 18291578), (10, 9145789), (23, 3976430), (46, 1988215), (115, 795286), (230, 397643)]