66128690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{93139}}^1$

素因数の和:93217

約数の個数: 16

約数和(自身を含む): 120709440

約数和(自身を除く): 54580750

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 93139, 186278, 465695, 931390, 6612869, 13225738, 33064345, 66128690]

約数ペア:

[(1, 66128690), (2, 33064345), (5, 13225738), (10, 6612869), (71, 931390), (142, 465695), (355, 186278), (710, 93139)]