287039788

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{953}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 594929664

約数和(自身を除く): 307889876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 347, 434, 694, 868, 953, 1388, 1906, 2429, 3812, 4858, 6671, 9716, 10757, 13342, 21514, 26684, 29543, 43028, 59086, 75299, 118172, 150598, 206801, 301196, 330691, 413602, 661382, 827204, 1322764, 2314837, 4629674, 9259348, 10251421, 20502842, 41005684, 71759947, 143519894, 287039788]

約数ペア:

[(1, 287039788), (2, 143519894), (4, 71759947), (7, 41005684), (14, 20502842), (28, 10251421), (31, 9259348), (62, 4629674), (124, 2314837), (217, 1322764), (347, 827204), (434, 661382), (694, 413602), (868, 330691), (953, 301196), (1388, 206801), (1906, 150598), (2429, 118172), (3812, 75299), (4858, 59086), (6671, 43028), (9716, 29543), (10757, 26684), (13342, 21514)]