86611990

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{21599}}^1$

素因数の和:22007

約数の個数: 16

約数和(自身を含む): 156297600

約数和(自身を除く): 69685610

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 21599, 43198, 107995, 215990, 8661199, 17322398, 43305995, 86611990]

約数ペア:

[(1, 86611990), (2, 43305995), (5, 17322398), (10, 8661199), (401, 215990), (802, 107995), (2005, 43198), (4010, 21599)]