1397808874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{312989}}^1$

素因数の和:313038

約数の個数: 32

約数和(自身を含む): 2704233600

約数和(自身を除く): 1306424726

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 312989, 625978, 2190923, 3442879, 4381846, 6885758, 9076681, 18153362, 24100153, 48200306, 63536767, 99843491, 127073534, 199686982, 698904437, 1397808874]

約数ペア:

[(1, 1397808874), (2, 698904437), (7, 199686982), (11, 127073534), (14, 99843491), (22, 63536767), (29, 48200306), (58, 24100153), (77, 18153362), (154, 9076681), (203, 6885758), (319, 4381846), (406, 3442879), (638, 2190923), (2233, 625978), (4466, 312989)]