81841988

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{313}}^1\times {\mathrm{499}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 145068000

約数和(自身を除く): 63226012

約数列:

[1, 2, 4, 131, 262, 313, 499, 524, 626, 998, 1252, 1996, 41003, 65369, 82006, 130738, 156187, 164012, 261476, 312374, 624748, 20460497, 40920994, 81841988]

約数ペア:

[(1, 81841988), (2, 40920994), (4, 20460497), (131, 624748), (262, 312374), (313, 261476), (499, 164012), (524, 156187), (626, 130738), (998, 82006), (1252, 65369), (1996, 41003)]