53885665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 73218816

約数和(自身を除く): 19333151

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 391, 641, 731, 989, 1955, 3205, 3655, 4945, 10897, 14743, 16813, 27563, 54485, 73715, 84065, 137815, 250631, 468571, 633949, 1253155, 2342855, 3169745, 10777133, 53885665]

約数ペア:

[(1, 53885665), (5, 10777133), (17, 3169745), (23, 2342855), (43, 1253155), (85, 633949), (115, 468571), (215, 250631), (391, 137815), (641, 84065), (731, 73715), (989, 54485), (1955, 27563), (3205, 16813), (3655, 14743), (4945, 10897)]