28999915

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2887}}^1$

素因数の和:2947

約数の個数: 24

約数和(自身を含む): 41483232

約数和(自身を除く): 12483317

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 2887, 10045, 14435, 20209, 101045, 118367, 141463, 591835, 707315, 828569, 4142845, 5799983, 28999915]

約数ペア:

[(1, 28999915), (5, 5799983), (7, 4142845), (35, 828569), (41, 707315), (49, 591835), (205, 141463), (245, 118367), (287, 101045), (1435, 20209), (2009, 14435), (2887, 10045)]