355143364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 676244800

約数和(自身を除く): 321101436

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 109, 172, 218, 436, 817, 997, 1634, 1994, 2071, 3268, 3988, 4142, 4687, 8284, 9374, 18748, 18943, 37886, 42871, 75772, 85742, 89053, 108673, 171484, 178106, 217346, 356212, 434692, 814549, 1629098, 2064787, 3258196, 4129574, 4672939, 8259148, 9345878, 18691756, 88785841, 177571682, 355143364]

約数ペア:

[(1, 355143364), (2, 177571682), (4, 88785841), (19, 18691756), (38, 9345878), (43, 8259148), (76, 4672939), (86, 4129574), (109, 3258196), (172, 2064787), (218, 1629098), (436, 814549), (817, 434692), (997, 356212), (1634, 217346), (1994, 178106), (2071, 171484), (3268, 108673), (3988, 89053), (4142, 85742), (4687, 75772), (8284, 42871), (9374, 37886), (18748, 18943)]