201172195

素因数分解:

$5^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{1277}}^1$

素因数の和:1939

約数の個数: 24

約数和(自身を含む): 281476944

約数和(自身を除く): 80304749

約数列:

[1, 5, 7, 35, 49, 245, 643, 1277, 3215, 4501, 6385, 8939, 22505, 31507, 44695, 62573, 157535, 312865, 821111, 4105555, 5747777, 28738885, 40234439, 201172195]

約数ペア:

[(1, 201172195), (5, 40234439), (7, 28738885), (35, 5747777), (49, 4105555), (245, 821111), (643, 312865), (1277, 157535), (3215, 62573), (4501, 44695), (6385, 31507), (8939, 22505)]