26787985

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 12029807

約数列:

[1, 5, 7, 23, 35, 107, 115, 161, 311, 535, 749, 805, 1555, 2177, 2461, 3745, 7153, 10885, 12305, 17227, 33277, 35765, 50071, 86135, 166385, 232939, 250355, 765371, 1164695, 3826855, 5357597, 26787985]

約数ペア:

[(1, 26787985), (5, 5357597), (7, 3826855), (23, 1164695), (35, 765371), (107, 250355), (115, 232939), (161, 166385), (311, 86135), (535, 50071), (749, 35765), (805, 33277), (1555, 17227), (2177, 12305), (2461, 10885), (3745, 7153)]