205874878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{153409}}^1$

素因数の和:153483

約数の個数: 16

約数和(自身を含む): 342411120

約数和(自身を除く): 136536242

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 153409, 306818, 1687499, 3374998, 9357949, 18715898, 102937439, 205874878]

約数ペア:

[(1, 205874878), (2, 102937439), (11, 18715898), (22, 9357949), (61, 3374998), (122, 1687499), (671, 306818), (1342, 153409)]