131887856

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{135131}}^1$

素因数の和:135200

約数の個数: 20

約数和(自身を含む): 259723704

約数和(自身を除く): 127835848

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 135131, 270262, 540524, 1081048, 2162096, 8242991, 16485982, 32971964, 65943928, 131887856]

約数ペア:

[(1, 131887856), (2, 65943928), (4, 32971964), (8, 16485982), (16, 8242991), (61, 2162096), (122, 1081048), (244, 540524), (488, 270262), (976, 135131)]