39897454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 65318400

約数和(自身を除く): 25420946

約数列:

[1, 2, 19, 38, 47, 89, 94, 178, 251, 502, 893, 1691, 1786, 3382, 4183, 4769, 8366, 9538, 11797, 22339, 23594, 44678, 79477, 158954, 224143, 424441, 448286, 848882, 1049933, 2099866, 19948727, 39897454]

約数ペア:

[(1, 39897454), (2, 19948727), (19, 2099866), (38, 1049933), (47, 848882), (89, 448286), (94, 424441), (178, 224143), (251, 158954), (502, 79477), (893, 44678), (1691, 23594), (1786, 22339), (3382, 11797), (4183, 9538), (4769, 8366)]