80978513

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{55351}}^1$

素因数の和:55388

約数の個数: 16

約数和(自身を含む): 106275840

約数和(自身を除く): 25297327

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 55351, 387457, 608861, 1051669, 4262027, 7361683, 11568359, 80978513]

約数ペア:

[(1, 80978513), (7, 11568359), (11, 7361683), (19, 4262027), (77, 1051669), (133, 608861), (209, 387457), (1463, 55351)]