71972144

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{5479}}^1$

素因数の和:6308

約数の個数: 20

約数和(自身を含む): 139641360

約数和(自身を除く): 67669216

約数列:

[1, 2, 4, 8, 16, 821, 1642, 3284, 5479, 6568, 10958, 13136, 21916, 43832, 87664, 4498259, 8996518, 17993036, 35986072, 71972144]

約数ペア:

[(1, 71972144), (2, 35986072), (4, 17993036), (8, 8996518), (16, 4498259), (821, 87664), (1642, 43832), (3284, 21916), (5479, 13136), (6568, 10958)]