809236945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{639713}}^1$

素因数の和:639752

約数の個数: 16

約数和(自身を含む): 1105425792

約数和(自身を除く): 296188847

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 639713, 3198565, 7036843, 14713399, 35184215, 73566995, 161847389, 809236945]

約数ペア:

[(1, 809236945), (5, 161847389), (11, 73566995), (23, 35184215), (55, 14713399), (115, 7036843), (253, 3198565), (1265, 639713)]