128280078

素因数分解:

$2^1\times 3^3\times {\mathrm{2375557}}^1$

素因数の和:2375568

約数の個数: 16

約数和(自身を含む): 285066960

約数和(自身を除く): 156786882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2375557, 4751114, 7126671, 14253342, 21380013, 42760026, 64140039, 128280078]

約数ペア:

[(1, 128280078), (2, 64140039), (3, 42760026), (6, 21380013), (9, 14253342), (18, 7126671), (27, 4751114), (54, 2375557)]