2640804765

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{25357}}^1$

素因数の和:25549

約数の個数: 32

約数和(自身を含む): 4338043776

約数和(自身を除く): 1697239011

約数列:

[1, 3, 5, 15, 53, 131, 159, 265, 393, 655, 795, 1965, 6943, 20829, 25357, 34715, 76071, 104145, 126785, 380355, 1343921, 3321767, 4031763, 6719605, 9965301, 16608835, 20158815, 49826505, 176053651, 528160953, 880268255, 2640804765]

約数ペア:

[(1, 2640804765), (3, 880268255), (5, 528160953), (15, 176053651), (53, 49826505), (131, 20158815), (159, 16608835), (265, 9965301), (393, 6719605), (655, 4031763), (795, 3321767), (1965, 1343921), (6943, 380355), (20829, 126785), (25357, 104145), (34715, 76071)]