221330568

素因数分解:

$2^3\times 3^1\times {\mathrm{431}}^1\times {\mathrm{21397}}^1$

素因数の和:21837

約数の個数: 32

約数和(自身を含む): 554636160

約数和(自身を除く): 333305592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 431, 862, 1293, 1724, 2586, 3448, 5172, 10344, 21397, 42794, 64191, 85588, 128382, 171176, 256764, 513528, 9222107, 18444214, 27666321, 36888428, 55332642, 73776856, 110665284, 221330568]

約数ペア:

[(1, 221330568), (2, 110665284), (3, 73776856), (4, 55332642), (6, 36888428), (8, 27666321), (12, 18444214), (24, 9222107), (431, 513528), (862, 256764), (1293, 171176), (1724, 128382), (2586, 85588), (3448, 64191), (5172, 42794), (10344, 21397)]