15918004

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 29778084

約数和(自身を除く): 13860080

約数列:

[1, 2, 4, 31, 41, 62, 82, 101, 124, 164, 202, 404, 961, 1271, 1922, 2542, 3131, 3844, 4141, 5084, 6262, 8282, 12524, 16564, 39401, 78802, 97061, 128371, 157604, 194122, 256742, 388244, 513484, 3979501, 7959002, 15918004]

約数ペア:

[(1, 15918004), (2, 7959002), (4, 3979501), (31, 513484), (41, 388244), (62, 256742), (82, 194122), (101, 157604), (124, 128371), (164, 97061), (202, 78802), (404, 39401), (961, 16564), (1271, 12524), (1922, 8282), (2542, 6262), (3131, 5084), (3844, 4141)]