86878945

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 106368192

約数和(自身を除く): 19489247

約数列:

[1, 5, 61, 305, 443, 643, 2215, 3215, 27023, 39223, 135115, 196115, 284849, 1424245, 17375789, 86878945]

約数ペア:

[(1, 86878945), (5, 17375789), (61, 1424245), (305, 284849), (443, 196115), (643, 135115), (2215, 39223), (3215, 27023)]