1280132

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 2587200

約数和(自身を除く): 1307068

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 349, 524, 698, 917, 1396, 1834, 2443, 3668, 4886, 9772, 45719, 91438, 182876, 320033, 640066, 1280132]

約数ペア:

[(1, 1280132), (2, 640066), (4, 320033), (7, 182876), (14, 91438), (28, 45719), (131, 9772), (262, 4886), (349, 3668), (524, 2443), (698, 1834), (917, 1396)]