86639990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509647}}^1$

素因数の和:509671

約数の個数: 16

約数和(自身を含む): 165125952

約数和(自身を除く): 78485962

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 509647, 1019294, 2548235, 5096470, 8663999, 17327998, 43319995, 86639990]

約数ペア:

[(1, 86639990), (2, 43319995), (5, 17327998), (10, 8663999), (17, 5096470), (34, 2548235), (85, 1019294), (170, 509647)]