38438690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{54139}}^1$

素因数の和:54217

約数の個数: 16

約数和(自身を含む): 70165440

約数和(自身を除く): 31726750

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 54139, 108278, 270695, 541390, 3843869, 7687738, 19219345, 38438690]

約数ペア:

[(1, 38438690), (2, 19219345), (5, 7687738), (10, 3843869), (71, 541390), (142, 270695), (355, 108278), (710, 54139)]