28990504

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2143}}^1$

素因数の和:2257

約数の個数: 32

約数和(自身を含む): 57888000

約数和(自身を除く): 28897496

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 2143, 3382, 4286, 6764, 8572, 13528, 17144, 40717, 81434, 162868, 190727, 325736, 381454, 762908, 1525816, 3623813, 7247626, 14495252, 28990504]

約数ペア:

[(1, 28990504), (2, 14495252), (4, 7247626), (8, 3623813), (19, 1525816), (38, 762908), (76, 381454), (89, 325736), (152, 190727), (178, 162868), (356, 81434), (712, 40717), (1691, 17144), (2143, 13528), (3382, 8572), (4286, 6764)]