3991748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 7499520

約数和(自身を除く): 3507772

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 991, 1007, 1982, 2014, 3964, 4028, 18829, 37658, 52523, 75316, 105046, 210092, 997937, 1995874, 3991748]

約数ペア:

[(1, 3991748), (2, 1995874), (4, 997937), (19, 210092), (38, 105046), (53, 75316), (76, 52523), (106, 37658), (212, 18829), (991, 4028), (1007, 3964), (1982, 2014)]