638650032

素因数分解:

$2^4\times 3^1\times {\mathrm{13305209}}^1$

素因数の和:13305220

約数の個数: 20

約数和(自身を含む): 1649846040

約数和(自身を除く): 1011196008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13305209, 26610418, 39915627, 53220836, 79831254, 106441672, 159662508, 212883344, 319325016, 638650032]

約数ペア:

[(1, 638650032), (2, 319325016), (3, 212883344), (4, 159662508), (6, 106441672), (8, 79831254), (12, 53220836), (16, 39915627), (24, 26610418), (48, 13305209)]