128609345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{20627}}^1$

素因数の和:20704

約数の個数: 16

約数和(自身を含む): 163373760

約数和(自身を除く): 34764415

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 20627, 103135, 598183, 886961, 2990915, 4434805, 25721869, 128609345]

約数ペア:

[(1, 128609345), (5, 25721869), (29, 4434805), (43, 2990915), (145, 886961), (215, 598183), (1247, 103135), (6235, 20627)]