87091985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{7643}}^1$

素因数の和:7744

約数の個数: 16

約数和(自身を含む): 108972864

約数和(自身を除く): 21880879

約数列:

[1, 5, 43, 53, 215, 265, 2279, 7643, 11395, 38215, 328649, 405079, 1643245, 2025395, 17418397, 87091985]

約数ペア:

[(1, 87091985), (5, 17418397), (43, 2025395), (53, 1643245), (215, 405079), (265, 328649), (2279, 38215), (7643, 11395)]