28000975

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 35878160

約数和(自身を除く): 7877185

約数列:

[1, 5, 25, 67, 73, 229, 335, 365, 1145, 1675, 1825, 4891, 5725, 15343, 16717, 24455, 76715, 83585, 122275, 383575, 417925, 1120039, 5600195, 28000975]

約数ペア:

[(1, 28000975), (5, 5600195), (25, 1120039), (67, 417925), (73, 383575), (229, 122275), (335, 83585), (365, 76715), (1145, 24455), (1675, 16717), (1825, 15343), (4891, 5725)]