12970555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 17837568

約数和(自身を除く): 4867013

約数列:

[1, 5, 13, 31, 41, 65, 155, 157, 205, 403, 533, 785, 1271, 2015, 2041, 2665, 4867, 6355, 6437, 10205, 16523, 24335, 32185, 63271, 82615, 83681, 199547, 316355, 418405, 997735, 2594111, 12970555]

約数ペア:

[(1, 12970555), (5, 2594111), (13, 997735), (31, 418405), (41, 316355), (65, 199547), (155, 83681), (157, 82615), (205, 63271), (403, 32185), (533, 24335), (785, 16523), (1271, 10205), (2015, 6437), (2041, 6355), (2665, 4867)]