81178702

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{51971}}^1$

素因数の和:52055

約数の個数: 16

約数和(自身を含む): 134711424

約数和(自身を除く): 53532722

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 51971, 103942, 571681, 1143362, 3689941, 7379882, 40589351, 81178702]

約数ペア:

[(1, 81178702), (2, 40589351), (11, 7379882), (22, 3689941), (71, 1143362), (142, 571681), (781, 103942), (1562, 51971)]