28106225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 42854400

約数和(自身を除く): 14748175

約数列:

[1, 5, 7, 19, 25, 35, 79, 95, 107, 133, 175, 395, 475, 535, 553, 665, 749, 1501, 1975, 2033, 2675, 2765, 3325, 3745, 7505, 8453, 10165, 10507, 13825, 14231, 18725, 37525, 42265, 50825, 52535, 59171, 71155, 160607, 211325, 262675, 295855, 355775, 803035, 1124249, 1479275, 4015175, 5621245, 28106225]

約数ペア:

[(1, 28106225), (5, 5621245), (7, 4015175), (19, 1479275), (25, 1124249), (35, 803035), (79, 355775), (95, 295855), (107, 262675), (133, 211325), (175, 160607), (395, 71155), (475, 59171), (535, 52535), (553, 50825), (665, 42265), (749, 37525), (1501, 18725), (1975, 14231), (2033, 13825), (2675, 10507), (2765, 10165), (3325, 8453), (3745, 7505)]