78971576

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{3947}}^1$

素因数の和:4055

約数の個数: 32

約数和(自身を含む): 154208880

約数和(自身を除く): 75237304

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 164, 244, 328, 488, 2501, 3947, 5002, 7894, 10004, 15788, 20008, 31576, 161827, 240767, 323654, 481534, 647308, 963068, 1294616, 1926136, 9871447, 19742894, 39485788, 78971576]

約数ペア:

[(1, 78971576), (2, 39485788), (4, 19742894), (8, 9871447), (41, 1926136), (61, 1294616), (82, 963068), (122, 647308), (164, 481534), (244, 323654), (328, 240767), (488, 161827), (2501, 31576), (3947, 20008), (5002, 15788), (7894, 10004)]