12987284

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 23372160

約数和(自身を除く): 10384876

約数列:

[1, 2, 4, 73, 79, 146, 158, 292, 316, 563, 1126, 2252, 5767, 11534, 23068, 41099, 44477, 82198, 88954, 164396, 177908, 3246821, 6493642, 12987284]

約数ペア:

[(1, 12987284), (2, 6493642), (4, 3246821), (73, 177908), (79, 164396), (146, 88954), (158, 82198), (292, 44477), (316, 41099), (563, 23068), (1126, 11534), (2252, 5767)]