211469755

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2909}}^1$

素因数の和:3019

約数の個数: 32

約数和(自身を含む): 303943680

約数和(自身を除く): 92473925

約数列:

[1, 5, 7, 31, 35, 67, 155, 217, 335, 469, 1085, 2077, 2345, 2909, 10385, 14539, 14545, 20363, 72695, 90179, 101815, 194903, 450895, 631253, 974515, 1364321, 3156265, 6041993, 6821605, 30209965, 42293951, 211469755]

約数ペア:

[(1, 211469755), (5, 42293951), (7, 30209965), (31, 6821605), (35, 6041993), (67, 3156265), (155, 1364321), (217, 974515), (335, 631253), (469, 450895), (1085, 194903), (2077, 101815), (2345, 90179), (2909, 72695), (10385, 20363), (14539, 14545)]