28686290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{653}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 54245376

約数和(自身を除く): 25559086

約数列:

[1, 2, 5, 10, 23, 46, 115, 191, 230, 382, 653, 955, 1306, 1910, 3265, 4393, 6530, 8786, 15019, 21965, 30038, 43930, 75095, 124723, 150190, 249446, 623615, 1247230, 2868629, 5737258, 14343145, 28686290]

約数ペア:

[(1, 28686290), (2, 14343145), (5, 5737258), (10, 2868629), (23, 1247230), (46, 623615), (115, 249446), (191, 150190), (230, 124723), (382, 75095), (653, 43930), (955, 30038), (1306, 21965), (1910, 15019), (3265, 8786), (4393, 6530)]