207866828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{20929}}^1$

素因数の和:21137

約数の個数: 24

約数和(自身を含む): 393818880

約数和(自身を除く): 185952052

約数列:

[1, 2, 4, 13, 26, 52, 191, 382, 764, 2483, 4966, 9932, 20929, 41858, 83716, 272077, 544154, 1088308, 3997439, 7994878, 15989756, 51966707, 103933414, 207866828]

約数ペア:

[(1, 207866828), (2, 103933414), (4, 51966707), (13, 15989756), (26, 7994878), (52, 3997439), (191, 1088308), (382, 544154), (764, 272077), (2483, 83716), (4966, 41858), (9932, 20929)]