38281990

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{27541}}^1$

素因数の和:27687

約数の個数: 16

約数和(自身を含む): 69405840

約数和(自身を除く): 31123850

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 27541, 55082, 137705, 275410, 3828199, 7656398, 19140995, 38281990]

約数ペア:

[(1, 38281990), (2, 19140995), (5, 7656398), (10, 3828199), (139, 275410), (278, 137705), (695, 55082), (1390, 27541)]