28666715

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{967}}^1$

素因数の和:1008

約数の個数: 36

約数和(自身を含む): 44030448

約数和(自身を除く): 15363733

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 385, 539, 605, 847, 967, 2695, 4235, 4835, 5929, 6769, 10637, 29645, 33845, 47383, 53185, 74459, 117007, 236915, 372295, 521213, 585035, 819049, 2606065, 4095245, 5733343, 28666715]

約数ペア:

[(1, 28666715), (5, 5733343), (7, 4095245), (11, 2606065), (35, 819049), (49, 585035), (55, 521213), (77, 372295), (121, 236915), (245, 117007), (385, 74459), (539, 53185), (605, 47383), (847, 33845), (967, 29645), (2695, 10637), (4235, 6769), (4835, 5929)]