1387681729

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{12689}}^1$

素因数の和:13632

約数の個数: 16

約数和(自身を含む): 1681171200

約数和(自身を除く): 293489471

約数列:

[1, 7, 17, 119, 919, 6433, 12689, 15623, 88823, 109361, 215713, 1509991, 11661191, 81628337, 198240247, 1387681729]

約数ペア:

[(1, 1387681729), (7, 198240247), (17, 81628337), (119, 11661191), (919, 1509991), (6433, 215713), (12689, 109361), (15623, 88823)]