51771965

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 75188736

約数和(自身を除く): 23416771

約数列:

[1, 5, 7, 23, 35, 73, 115, 161, 365, 511, 805, 881, 1679, 2555, 4405, 6167, 8395, 11753, 20263, 30835, 58765, 64313, 101315, 141841, 321565, 450191, 709205, 1479199, 2250955, 7395995, 10354393, 51771965]

約数ペア:

[(1, 51771965), (5, 10354393), (7, 7395995), (23, 2250955), (35, 1479199), (73, 709205), (115, 450191), (161, 321565), (365, 141841), (511, 101315), (805, 64313), (881, 58765), (1679, 30835), (2555, 20263), (4405, 11753), (6167, 8395)]