198874945

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{4691}}^1$

素因数の和:4896

約数の個数: 16

約数和(自身を含む): 244359360

約数和(自身を除く): 45484415

約数列:

[1, 5, 61, 139, 305, 695, 4691, 8479, 23455, 42395, 286151, 652049, 1430755, 3260245, 39774989, 198874945]

約数ペア:

[(1, 198874945), (5, 39774989), (61, 3260245), (139, 1430755), (305, 652049), (695, 286151), (4691, 42395), (8479, 23455)]