28515110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{547}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 55514592

約数和(自身を除く): 26999482

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 547, 802, 1094, 2005, 2735, 4010, 5213, 5470, 7111, 10426, 14222, 26065, 35555, 52130, 71110, 219347, 438694, 1096735, 2193470, 2851511, 5703022, 14257555, 28515110]

約数ペア:

[(1, 28515110), (2, 14257555), (5, 5703022), (10, 2851511), (13, 2193470), (26, 1096735), (65, 438694), (130, 219347), (401, 71110), (547, 52130), (802, 35555), (1094, 26065), (2005, 14222), (2735, 10426), (4010, 7111), (5213, 5470)]