28056455

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 39782400

約数和(自身を除く): 11725945

約数列:

[1, 5, 7, 35, 73, 79, 139, 365, 395, 511, 553, 695, 973, 2555, 2765, 4865, 5767, 10147, 10981, 28835, 40369, 50735, 54905, 71029, 76867, 201845, 355145, 384335, 801613, 4008065, 5611291, 28056455]

約数ペア:

[(1, 28056455), (5, 5611291), (7, 4008065), (35, 801613), (73, 384335), (79, 355145), (139, 201845), (365, 76867), (395, 71029), (511, 54905), (553, 50735), (695, 40369), (973, 28835), (2555, 10981), (2765, 10147), (4865, 5767)]