202945988

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{81439}}^1$

素因数の和:81539

約数の個数: 24

約数和(自身を含む): 410457600

約数和(自身を除く): 207511612

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 81439, 162878, 325756, 570073, 1140146, 2280292, 7248071, 14496142, 28992284, 50736497, 101472994, 202945988]

約数ペア:

[(1, 202945988), (2, 101472994), (4, 50736497), (7, 28992284), (14, 14496142), (28, 7248071), (89, 2280292), (178, 1140146), (356, 570073), (623, 325756), (1246, 162878), (2492, 81439)]