138419788

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 276556000

約数和(自身を除く): 138136212

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 829, 988, 1658, 2197, 3211, 3316, 4394, 6422, 8788, 10777, 12844, 15751, 21554, 31502, 41743, 43108, 63004, 83486, 140101, 166972, 204763, 280202, 409526, 560404, 819052, 1821313, 2661919, 3642626, 5323838, 7285252, 10647676, 34604947, 69209894, 138419788]

約数ペア:

[(1, 138419788), (2, 69209894), (4, 34604947), (13, 10647676), (19, 7285252), (26, 5323838), (38, 3642626), (52, 2661919), (76, 1821313), (169, 819052), (247, 560404), (338, 409526), (494, 280202), (676, 204763), (829, 166972), (988, 140101), (1658, 83486), (2197, 63004), (3211, 43108), (3316, 41743), (4394, 31502), (6422, 21554), (8788, 15751), (10777, 12844)]