31281824

素因数分解:

$2^5\times 7^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 70761600

約数和(自身を除く): 39479776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 359, 389, 718, 778, 1436, 1556, 2513, 2723, 2872, 3112, 5026, 5446, 5744, 6224, 10052, 10892, 11488, 12448, 20104, 21784, 40208, 43568, 80416, 87136, 139651, 279302, 558604, 977557, 1117208, 1955114, 2234416, 3910228, 4468832, 7820456, 15640912, 31281824]

約数ペア:

[(1, 31281824), (2, 15640912), (4, 7820456), (7, 4468832), (8, 3910228), (14, 2234416), (16, 1955114), (28, 1117208), (32, 977557), (56, 558604), (112, 279302), (224, 139651), (359, 87136), (389, 80416), (718, 43568), (778, 40208), (1436, 21784), (1556, 20104), (2513, 12448), (2723, 11488), (2872, 10892), (3112, 10052), (5026, 6224), (5446, 5744)]