138428168

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{1787}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 271632960

約数和(自身を除く): 133204792

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 421, 842, 1684, 1787, 3368, 3574, 7148, 9683, 14296, 19366, 38732, 41101, 77464, 82202, 164404, 328808, 752327, 1504654, 3009308, 6018616, 17303521, 34607042, 69214084, 138428168]

約数ペア:

[(1, 138428168), (2, 69214084), (4, 34607042), (8, 17303521), (23, 6018616), (46, 3009308), (92, 1504654), (184, 752327), (421, 328808), (842, 164404), (1684, 82202), (1787, 77464), (3368, 41101), (3574, 38732), (7148, 19366), (9683, 14296)]