28007254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67003}}^1$

素因数の和:67035

約数の個数: 16

約数和(自身を含む): 48242880

約数和(自身を除く): 20235626

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 67003, 134006, 737033, 1273057, 1474066, 2546114, 14003627, 28007254]

約数ペア:

[(1, 28007254), (2, 14003627), (11, 2546114), (19, 1474066), (22, 1273057), (38, 737033), (209, 134006), (418, 67003)]