12655405

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 18432000

約数和(自身を除く): 5776595

約数列:

[1, 5, 7, 23, 35, 79, 115, 161, 199, 395, 553, 805, 995, 1393, 1817, 2765, 4577, 6965, 9085, 12719, 15721, 22885, 32039, 63595, 78605, 110047, 160195, 361583, 550235, 1807915, 2531081, 12655405]

約数ペア:

[(1, 12655405), (5, 2531081), (7, 1807915), (23, 550235), (35, 361583), (79, 160195), (115, 110047), (161, 78605), (199, 63595), (395, 32039), (553, 22885), (805, 15721), (995, 12719), (1393, 9085), (1817, 6965), (2765, 4577)]