1561247611

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{27437}}^1$

素因数の和:28194

約数の個数: 16

約数和(自身を含む): 1949195520

約数和(自身を除く): 387947909

約数列:

[1, 7, 11, 77, 739, 5173, 8129, 27437, 56903, 192059, 301807, 2112649, 20275943, 141931601, 223035373, 1561247611]

約数ペア:

[(1, 1561247611), (7, 223035373), (11, 141931601), (77, 20275943), (739, 2112649), (5173, 301807), (8129, 192059), (27437, 56903)]