280994476

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{76607}}^1$

素因数の和:76749

約数の個数: 24

約数和(自身を含む): 566286336

約数和(自身を除く): 285291860

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 76607, 153214, 306428, 536249, 1072498, 2144996, 10035517, 20071034, 40142068, 70248619, 140497238, 280994476]

約数ペア:

[(1, 280994476), (2, 140497238), (4, 70248619), (7, 40142068), (14, 20071034), (28, 10035517), (131, 2144996), (262, 1072498), (524, 536249), (917, 306428), (1834, 153214), (3668, 76607)]