221325442

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1\times {\mathrm{1601}}^1$

素因数の和:2038

約数の個数: 24

約数和(自身を含む): 360594180

約数和(自身を除く): 139268738

約数列:

[1, 2, 13, 26, 169, 338, 409, 818, 1601, 3202, 5317, 10634, 20813, 41626, 69121, 138242, 270569, 541138, 654809, 1309618, 8512517, 17025034, 110662721, 221325442]

約数ペア:

[(1, 221325442), (2, 110662721), (13, 17025034), (26, 8512517), (169, 1309618), (338, 654809), (409, 541138), (818, 270569), (1601, 138242), (3202, 69121), (5317, 41626), (10634, 20813)]