213640484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{4993}}^1$

素因数の和:5579

約数の個数: 24

約数和(自身を含む): 394326240

約数和(自身を除く): 180685756

約数列:

[1, 2, 4, 19, 38, 76, 563, 1126, 2252, 4993, 9986, 10697, 19972, 21394, 42788, 94867, 189734, 379468, 2811059, 5622118, 11244236, 53410121, 106820242, 213640484]

約数ペア:

[(1, 213640484), (2, 106820242), (4, 53410121), (19, 11244236), (38, 5622118), (76, 2811059), (563, 379468), (1126, 189734), (2252, 94867), (4993, 42788), (9986, 21394), (10697, 19972)]