1640653232

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1444237}}^1$

素因数の和:1444316

約数の個数: 20

約数和(自身を含む): 3223539216

約数和(自身を除く): 1582885984

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1444237, 2888474, 5776948, 11553896, 23107792, 102540827, 205081654, 410163308, 820326616, 1640653232]

約数ペア:

[(1, 1640653232), (2, 820326616), (4, 410163308), (8, 205081654), (16, 102540827), (71, 23107792), (142, 11553896), (284, 5776948), (568, 2888474), (1136, 1444237)]