28141211

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3163}}^1$

素因数の和:3242

約数の個数: 16

約数和(自身を含む): 34019328

約数和(自身を除く): 5878117

約数列:

[1, 7, 31, 41, 217, 287, 1271, 3163, 8897, 22141, 98053, 129683, 686371, 907781, 4020173, 28141211]

約数ペア:

[(1, 28141211), (7, 4020173), (31, 907781), (41, 686371), (217, 129683), (287, 98053), (1271, 22141), (3163, 8897)]