81031888

素因数分解:

$2^4\times 7^2\times {\mathrm{103357}}^1$

素因数の和:103379

約数の個数: 30

約数和(自身を含む): 182633586

約数和(自身を除く): 101601698

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 103357, 206714, 413428, 723499, 826856, 1446998, 1653712, 2893996, 5064493, 5787992, 10128986, 11575984, 20257972, 40515944, 81031888]

約数ペア:

[(1, 81031888), (2, 40515944), (4, 20257972), (7, 11575984), (8, 10128986), (14, 5787992), (16, 5064493), (28, 2893996), (49, 1653712), (56, 1446998), (98, 826856), (112, 723499), (196, 413428), (392, 206714), (784, 103357)]