1287761605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{4759}}^1$

素因数の和:4981

約数の個数: 32

約数和(自身を含む): 1746501120

約数和(自身を除く): 458739515

約数列:

[1, 5, 13, 23, 65, 115, 181, 299, 905, 1495, 2353, 4163, 4759, 11765, 20815, 23795, 54119, 61867, 109457, 270595, 309335, 547285, 861379, 1422941, 4306895, 7114705, 11197927, 19811717, 55989635, 99058585, 257552321, 1287761605]

約数ペア:

[(1, 1287761605), (5, 257552321), (13, 99058585), (23, 55989635), (65, 19811717), (115, 11197927), (181, 7114705), (299, 4306895), (905, 1422941), (1495, 861379), (2353, 547285), (4163, 309335), (4759, 270595), (11765, 109457), (20815, 61867), (23795, 54119)]