138549788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1409}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 274149120

約数和(自身を除く): 135599332

約数列:

[1, 2, 4, 13, 26, 31, 52, 61, 62, 122, 124, 244, 403, 793, 806, 1409, 1586, 1612, 1891, 2818, 3172, 3782, 5636, 7564, 18317, 24583, 36634, 43679, 49166, 73268, 85949, 87358, 98332, 171898, 174716, 343796, 567827, 1117337, 1135654, 2234674, 2271308, 2664419, 4469348, 5328838, 10657676, 34637447, 69274894, 138549788]

約数ペア:

[(1, 138549788), (2, 69274894), (4, 34637447), (13, 10657676), (26, 5328838), (31, 4469348), (52, 2664419), (61, 2271308), (62, 2234674), (122, 1135654), (124, 1117337), (244, 567827), (403, 343796), (793, 174716), (806, 171898), (1409, 98332), (1586, 87358), (1612, 85949), (1891, 73268), (2818, 49166), (3172, 43679), (3782, 36634), (5636, 24583), (7564, 18317)]