663689664001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{19872733}}^1$

素因数の和:19873120

約数の個数: 16

約数和(自身を含む): 819074604544

約数和(自身を除く): 155384940543

約数列:

[1, 7, 13, 91, 367, 2569, 4771, 33397, 19872733, 139109131, 258345529, 1808418703, 7293293011, 51053051077, 94812809143, 663689664001]

約数ペア:

[(1, 663689664001), (7, 94812809143), (13, 51053051077), (91, 7293293011), (367, 1808418703), (2569, 258345529), (4771, 139109131), (33397, 19872733)]