28384825

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 40900160

約数和(自身を除く): 12515335

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 2659, 10675, 13295, 18613, 66475, 93065, 162199, 465325, 810995, 1135393, 4054975, 5676965, 28384825]

約数ペア:

[(1, 28384825), (5, 5676965), (7, 4054975), (25, 1135393), (35, 810995), (61, 465325), (175, 162199), (305, 93065), (427, 66475), (1525, 18613), (2135, 13295), (2659, 10675)]