39999838

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{2789}}^1$

素因数の和:2963

約数の個数: 16

約数和(自身を含む): 61469280

約数和(自身を除く): 21469442

約数列:

[1, 2, 71, 101, 142, 202, 2789, 5578, 7171, 14342, 198019, 281689, 396038, 563378, 19999919, 39999838]

約数ペア:

[(1, 39999838), (2, 19999919), (71, 563378), (101, 396038), (142, 281689), (202, 198019), (2789, 14342), (5578, 7171)]