15780490187

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8910497}}^1$

素因数の和:8910538

約数の個数: 16

約数和(自身を含む): 20529787392

約数和(自身を除く): 4749297205

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 8910497, 62373479, 98015467, 204941431, 686108269, 1434590017, 2254355741, 15780490187]

約数ペア:

[(1, 15780490187), (7, 2254355741), (11, 1434590017), (23, 686108269), (77, 204941431), (161, 98015467), (253, 62373479), (1771, 8910497)]