12760895

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 18332160

約数和(自身を除く): 5571265

約数列:

[1, 5, 7, 35, 43, 61, 139, 215, 301, 305, 427, 695, 973, 1505, 2135, 2623, 4865, 5977, 8479, 13115, 18361, 29885, 41839, 42395, 59353, 91805, 209195, 296765, 364597, 1822985, 2552179, 12760895]

約数ペア:

[(1, 12760895), (5, 2552179), (7, 1822985), (35, 364597), (43, 296765), (61, 209195), (139, 91805), (215, 59353), (301, 42395), (305, 41839), (427, 29885), (695, 18361), (973, 13115), (1505, 8479), (2135, 5977), (2623, 4865)]