28129990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10861}}^1$

素因数の和:10912

約数の個数: 32

約数和(自身を含む): 59436864

約数和(自身を除く): 31306874

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 10861, 21722, 54305, 76027, 108610, 152054, 380135, 401857, 760270, 803714, 2009285, 2812999, 4018570, 5625998, 14064995, 28129990]

約数ペア:

[(1, 28129990), (2, 14064995), (5, 5625998), (7, 4018570), (10, 2812999), (14, 2009285), (35, 803714), (37, 760270), (70, 401857), (74, 380135), (185, 152054), (259, 108610), (370, 76027), (518, 54305), (1295, 21722), (2590, 10861)]