15972515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3461}}^1$

素因数の和:3550

約数の個数: 16

約数和(自身を含む): 20938176

約数和(自身を除く): 4965661

約数列:

[1, 5, 13, 65, 71, 355, 923, 3461, 4615, 17305, 44993, 224965, 245731, 1228655, 3194503, 15972515]

約数ペア:

[(1, 15972515), (5, 3194503), (13, 1228655), (65, 245731), (71, 224965), (355, 44993), (923, 17305), (3461, 4615)]