218641168

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{107599}}^1$

素因数の和:107734

約数の個数: 20

約数和(自身を含む): 426956800

約数和(自身を除く): 208315632

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 107599, 215198, 430396, 860792, 1721584, 13665073, 27330146, 54660292, 109320584, 218641168]

約数ペア:

[(1, 218641168), (2, 109320584), (4, 54660292), (8, 27330146), (16, 13665073), (127, 1721584), (254, 860792), (508, 430396), (1016, 215198), (2032, 107599)]