78647338

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2731}}^1$

素因数の和:2779

約数の個数: 48

約数和(自身を含む): 156969792

約数和(自身を除く): 78322454

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 121, 154, 187, 238, 242, 374, 847, 1309, 1694, 2057, 2618, 2731, 4114, 5462, 14399, 19117, 28798, 30041, 38234, 46427, 60082, 92854, 210287, 324989, 330451, 420574, 510697, 649978, 660902, 1021394, 2313157, 3574879, 4626314, 5617667, 7149758, 11235334, 39323669, 78647338]

約数ペア:

[(1, 78647338), (2, 39323669), (7, 11235334), (11, 7149758), (14, 5617667), (17, 4626314), (22, 3574879), (34, 2313157), (77, 1021394), (119, 660902), (121, 649978), (154, 510697), (187, 420574), (238, 330451), (242, 324989), (374, 210287), (847, 92854), (1309, 60082), (1694, 46427), (2057, 38234), (2618, 30041), (2731, 28798), (4114, 19117), (5462, 14399)]