516180496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{9887}}^1$

素因数の和:10159

約数の個数: 40

約数和(自身を含む): 1081430784

約数和(自身を除く): 565250288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 251, 502, 1004, 2008, 3263, 4016, 6526, 9887, 13052, 19774, 26104, 39548, 52208, 79096, 128531, 158192, 257062, 514124, 1028248, 2056496, 2481637, 4963274, 9926548, 19853096, 32261281, 39706192, 64522562, 129045124, 258090248, 516180496]

約数ペア:

[(1, 516180496), (2, 258090248), (4, 129045124), (8, 64522562), (13, 39706192), (16, 32261281), (26, 19853096), (52, 9926548), (104, 4963274), (208, 2481637), (251, 2056496), (502, 1028248), (1004, 514124), (2008, 257062), (3263, 158192), (4016, 128531), (6526, 79096), (9887, 52208), (13052, 39548), (19774, 26104)]