72716956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 148557024

約数和(自身を除く): 75840068

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 172, 221, 442, 559, 731, 884, 1118, 1462, 1913, 2236, 2924, 3826, 7652, 9503, 19006, 24869, 32521, 38012, 49738, 65042, 82259, 99476, 130084, 164518, 329036, 422773, 845546, 1069367, 1398403, 1691092, 2138734, 2796806, 4277468, 5593612, 18179239, 36358478, 72716956]

約数ペア:

[(1, 72716956), (2, 36358478), (4, 18179239), (13, 5593612), (17, 4277468), (26, 2796806), (34, 2138734), (43, 1691092), (52, 1398403), (68, 1069367), (86, 845546), (172, 422773), (221, 329036), (442, 164518), (559, 130084), (731, 99476), (884, 82259), (1118, 65042), (1462, 49738), (1913, 38012), (2236, 32521), (2924, 24869), (3826, 19006), (7652, 9503)]