28783097

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 36372480

約数和(自身を除く): 7589383

約数列:

[1, 7, 23, 31, 73, 79, 161, 217, 511, 553, 713, 1679, 1817, 2263, 2449, 4991, 5767, 11753, 12719, 15841, 17143, 40369, 52049, 56327, 132641, 178777, 364343, 394289, 928487, 1251439, 4111871, 28783097]

約数ペア:

[(1, 28783097), (7, 4111871), (23, 1251439), (31, 928487), (73, 394289), (79, 364343), (161, 178777), (217, 132641), (511, 56327), (553, 52049), (713, 40369), (1679, 17143), (1817, 15841), (2263, 12719), (2449, 11753), (4991, 5767)]