977999996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{144589}}^1$

素因数の和:144701

約数の個数: 24

約数和(自身を含む): 1821834000

約数和(自身を除く): 843834004

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3382, 6764, 144589, 289178, 578356, 2747191, 5494382, 10988764, 12868421, 25736842, 51473684, 244499999, 488999998, 977999996]

約数ペア:

[(1, 977999996), (2, 488999998), (4, 244499999), (19, 51473684), (38, 25736842), (76, 12868421), (89, 10988764), (178, 5494382), (356, 2747191), (1691, 578356), (3382, 289178), (6764, 144589)]