206739484

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 420456960

約数和(自身を除く): 213717476

約数列:

[1, 2, 4, 7, 14, 28, 131, 157, 262, 314, 359, 524, 628, 718, 917, 1099, 1436, 1834, 2198, 2513, 3668, 4396, 5026, 10052, 20567, 41134, 47029, 56363, 82268, 94058, 112726, 143969, 188116, 225452, 287938, 329203, 394541, 575876, 658406, 789082, 1316812, 1578164, 7383553, 14767106, 29534212, 51684871, 103369742, 206739484]

約数ペア:

[(1, 206739484), (2, 103369742), (4, 51684871), (7, 29534212), (14, 14767106), (28, 7383553), (131, 1578164), (157, 1316812), (262, 789082), (314, 658406), (359, 575876), (524, 394541), (628, 329203), (718, 287938), (917, 225452), (1099, 188116), (1436, 143969), (1834, 112726), (2198, 94058), (2513, 82268), (3668, 56363), (4396, 47029), (5026, 41134), (10052, 20567)]