208348091

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 257986560

約数和(自身を除く): 49638469

約数列:

[1, 7, 19, 67, 103, 133, 227, 469, 721, 1273, 1589, 1957, 4313, 6901, 8911, 13699, 15209, 23381, 30191, 48307, 106463, 131119, 163667, 288971, 444239, 917833, 1566527, 2022797, 3109673, 10965689, 29764013, 208348091]

約数ペア:

[(1, 208348091), (7, 29764013), (19, 10965689), (67, 3109673), (103, 2022797), (133, 1566527), (227, 917833), (469, 444239), (721, 288971), (1273, 163667), (1589, 131119), (1957, 106463), (4313, 48307), (6901, 30191), (8911, 23381), (13699, 15209)]