389121292

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{1993}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 821847040

約数和(自身を除く): 432725748

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 367, 532, 734, 1468, 1993, 2569, 3986, 5138, 6973, 7972, 10276, 13946, 13951, 27892, 27902, 37867, 48811, 55804, 75734, 97622, 151468, 195244, 265069, 530138, 731431, 1060276, 1462862, 2925724, 5120017, 10240034, 13897189, 20480068, 27794378, 55588756, 97280323, 194560646, 389121292]

約数ペア:

[(1, 389121292), (2, 194560646), (4, 97280323), (7, 55588756), (14, 27794378), (19, 20480068), (28, 13897189), (38, 10240034), (76, 5120017), (133, 2925724), (266, 1462862), (367, 1060276), (532, 731431), (734, 530138), (1468, 265069), (1993, 195244), (2569, 151468), (3986, 97622), (5138, 75734), (6973, 55804), (7972, 48811), (10276, 37867), (13946, 27902), (13951, 27892)]