214920565

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 273030912

約数和(自身を除く): 58110347

約数列:

[1, 5, 41, 53, 131, 151, 205, 265, 655, 755, 2173, 5371, 6191, 6943, 8003, 10865, 19781, 26855, 30955, 34715, 40015, 98905, 284663, 328123, 811021, 1048393, 1423315, 1640615, 4055105, 5241965, 42984113, 214920565]

約数ペア:

[(1, 214920565), (5, 42984113), (41, 5241965), (53, 4055105), (131, 1640615), (151, 1423315), (205, 1048393), (265, 811021), (655, 328123), (755, 284663), (2173, 98905), (5371, 40015), (6191, 34715), (6943, 30955), (8003, 26855), (10865, 19781)]