156780368

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{89897}}^1$

素因数の和:90014

約数の個数: 20

約数和(自身を含む): 306552180

約数和(自身を除く): 149771812

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 89897, 179794, 359588, 719176, 1438352, 9798773, 19597546, 39195092, 78390184, 156780368]

約数ペア:

[(1, 156780368), (2, 78390184), (4, 39195092), (8, 19597546), (16, 9798773), (109, 1438352), (218, 719176), (436, 359588), (872, 179794), (1744, 89897)]