7799990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3083}}^1$

素因数の和:3124

約数の個数: 32

約数和(自身を含む): 15987456

約数和(自身を除く): 8187466

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 3083, 6166, 15415, 30830, 33913, 67826, 70909, 141818, 169565, 339130, 354545, 709090, 779999, 1559998, 3899995, 7799990]

約数ペア:

[(1, 7799990), (2, 3899995), (5, 1559998), (10, 779999), (11, 709090), (22, 354545), (23, 339130), (46, 169565), (55, 141818), (110, 70909), (115, 67826), (230, 33913), (253, 30830), (506, 15415), (1265, 6166), (2530, 3083)]