128471426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{3391}}^1$

素因数の和:4409

約数の個数: 16

約数和(自身を含む): 203112960

約数和(自身を除く): 74641534

約数列:

[1, 2, 19, 38, 997, 1994, 3391, 6782, 18943, 37886, 64429, 128858, 3380827, 6761654, 64235713, 128471426]

約数ペア:

[(1, 128471426), (2, 64235713), (19, 6761654), (38, 3380827), (997, 128858), (1994, 64429), (3391, 37886), (6782, 18943)]