128169904

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{77773}}^1$

素因数の和:77884

約数の個数: 20

約数和(自身を含む): 250743376

約数和(自身を除く): 122573472

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 77773, 155546, 311092, 622184, 1244368, 8010619, 16021238, 32042476, 64084952, 128169904]

約数ペア:

[(1, 128169904), (2, 64084952), (4, 32042476), (8, 16021238), (16, 8010619), (103, 1244368), (206, 622184), (412, 311092), (824, 155546), (1648, 77773)]