222729208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{5087}}^1$

素因数の和:5527

約数の個数: 32

約数和(自身を含む): 450898560

約数和(自身を除く): 228169352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 421, 842, 1684, 3368, 5087, 5473, 10174, 10946, 20348, 21892, 40696, 43784, 66131, 132262, 264524, 529048, 2141627, 4283254, 8566508, 17133016, 27841151, 55682302, 111364604, 222729208]

約数ペア:

[(1, 222729208), (2, 111364604), (4, 55682302), (8, 27841151), (13, 17133016), (26, 8566508), (52, 4283254), (104, 2141627), (421, 529048), (842, 264524), (1684, 132262), (3368, 66131), (5087, 43784), (5473, 40696), (10174, 21892), (10946, 20348)]