214540205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{937}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 294997248

約数和(自身を除く): 80457043

約数列:

[1, 5, 11, 23, 55, 115, 181, 253, 905, 937, 1265, 1991, 4163, 4685, 9955, 10307, 20815, 21551, 45793, 51535, 107755, 169597, 228965, 237061, 847985, 1185305, 1865567, 3900731, 9327835, 19503655, 42908041, 214540205]

約数ペア:

[(1, 214540205), (5, 42908041), (11, 19503655), (23, 9327835), (55, 3900731), (115, 1865567), (181, 1185305), (253, 847985), (905, 237061), (937, 228965), (1265, 169597), (1991, 107755), (4163, 51535), (4685, 45793), (9955, 21551), (10307, 20815)]