28871969

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{461}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 5722591

約数列:

[1, 7, 23, 161, 389, 461, 2723, 3227, 8947, 10603, 62629, 74221, 179329, 1255303, 4124567, 28871969]

約数ペア:

[(1, 28871969), (7, 4124567), (23, 1255303), (161, 179329), (389, 74221), (461, 62629), (2723, 10603), (3227, 8947)]