251380583

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{1091}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 270291840

約数和(自身を除く): 18911257

約数列:

[1, 19, 67, 181, 1091, 1273, 3439, 12127, 20729, 73097, 197471, 230413, 1388843, 3751949, 13230557, 251380583]

約数ペア:

[(1, 251380583), (19, 13230557), (67, 3751949), (181, 1388843), (1091, 230413), (1273, 197471), (3439, 73097), (12127, 20729)]