15661972016

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{2957321}}^1$

素因数の和:2957660

約数の個数: 20

約数和(自身を含む): 30436758024

約数和(自身を除く): 14774786008

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 2957321, 5914642, 11829284, 23658568, 47317136, 978873251, 1957746502, 3915493004, 7830986008, 15661972016]

約数ペア:

[(1, 15661972016), (2, 7830986008), (4, 3915493004), (8, 1957746502), (16, 978873251), (331, 47317136), (662, 23658568), (1324, 11829284), (2648, 5914642), (5296, 2957321)]