201821396

素因数分解:

$2^2\times 7^2\times {\mathrm{353}}^1\times {\mathrm{2917}}^1$

素因数の和:3288

約数の個数: 36

約数和(自身を含む): 412155828

約数和(自身を除く): 210334432

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 353, 706, 1412, 2471, 2917, 4942, 5834, 9884, 11668, 17297, 20419, 34594, 40838, 69188, 81676, 142933, 285866, 571732, 1029701, 2059402, 4118804, 7207907, 14415814, 28831628, 50455349, 100910698, 201821396]

約数ペア:

[(1, 201821396), (2, 100910698), (4, 50455349), (7, 28831628), (14, 14415814), (28, 7207907), (49, 4118804), (98, 2059402), (196, 1029701), (353, 571732), (706, 285866), (1412, 142933), (2471, 81676), (2917, 69188), (4942, 40838), (5834, 34594), (9884, 20419), (11668, 17297)]