28340665

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2729}}^1$

素因数の和:2832

約数の個数: 16

約数和(自身を含む): 35642880

約数和(自身を除く): 7302215

約数列:

[1, 5, 31, 67, 155, 335, 2077, 2729, 10385, 13645, 84599, 182843, 422995, 914215, 5668133, 28340665]

約数ペア:

[(1, 28340665), (5, 5668133), (31, 914215), (67, 422995), (155, 182843), (335, 84599), (2077, 13645), (2729, 10385)]