51398215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 71995392

約数和(自身を除く): 20597177

約数列:

[1, 5, 11, 23, 41, 55, 115, 205, 253, 451, 943, 991, 1265, 2255, 4715, 4955, 10373, 10901, 22793, 40631, 51865, 54505, 113965, 203155, 250723, 446941, 934513, 1253615, 2234705, 4672565, 10279643, 51398215]

約数ペア:

[(1, 51398215), (5, 10279643), (11, 4672565), (23, 2234705), (41, 1253615), (55, 934513), (115, 446941), (205, 250723), (253, 203155), (451, 113965), (943, 54505), (991, 51865), (1265, 40631), (2255, 22793), (4715, 10901), (4955, 10373)]