28947191

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1567}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 8590729

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1421, 1567, 2639, 10969, 18473, 20371, 45443, 76783, 142597, 318101, 590759, 998179, 2226707, 4135313, 28947191]

約数ペア:

[(1, 28947191), (7, 4135313), (13, 2226707), (29, 998179), (49, 590759), (91, 318101), (203, 142597), (377, 76783), (637, 45443), (1421, 20371), (1567, 18473), (2639, 10969)]