641788144

素因数分解:

$2^4\times {\mathrm{5479}}^1\times {\mathrm{7321}}^1$

素因数の和:12808

約数の個数: 20

約数和(自身を含む): 1243861360

約数和(自身を除く): 602073216

約数列:

[1, 2, 4, 8, 16, 5479, 7321, 10958, 14642, 21916, 29284, 43832, 58568, 87664, 117136, 40111759, 80223518, 160447036, 320894072, 641788144]

約数ペア:

[(1, 641788144), (2, 320894072), (4, 160447036), (8, 80223518), (16, 40111759), (5479, 117136), (7321, 87664), (10958, 58568), (14642, 43832), (21916, 29284)]