12399415

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 18072576

約数和(自身を除く): 5673161

約数列:

[1, 5, 7, 23, 35, 73, 115, 161, 211, 365, 511, 805, 1055, 1477, 1679, 2555, 4853, 7385, 8395, 11753, 15403, 24265, 33971, 58765, 77015, 107821, 169855, 354269, 539105, 1771345, 2479883, 12399415]

約数ペア:

[(1, 12399415), (5, 2479883), (7, 1771345), (23, 539105), (35, 354269), (73, 169855), (115, 107821), (161, 77015), (211, 58765), (365, 33971), (511, 24265), (805, 15403), (1055, 11753), (1477, 8395), (1679, 7385), (2555, 4853)]