15640912

素因数分解:

$2^4\times 7^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:763

約数の個数: 40

約数和(自身を含む): 34819200

約数和(自身を除く): 19178288

約数列:

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

約数ペア:

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