61438895

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{4111}}^1$

素因数の和:4191

約数の個数: 24

約数和(自身を含む): 87190848

約数和(自身を除く): 25751953

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 4111, 14945, 20555, 28777, 143885, 201439, 250771, 1007195, 1253855, 1755397, 8776985, 12287779, 61438895]

約数ペア:

[(1, 61438895), (5, 12287779), (7, 8776985), (35, 1755397), (49, 1253855), (61, 1007195), (245, 250771), (305, 201439), (427, 143885), (2135, 28777), (2989, 20555), (4111, 14945)]