388545136

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{182587}}^1$

素因数の和:182621

約数の個数: 40

約数和(自身を含む): 905636480

約数和(自身を除く): 517091344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 182587, 365174, 730348, 1278109, 1460696, 2556218, 2921392, 3469153, 5112436, 6938306, 10224872, 13876612, 20449744, 24284071, 27753224, 48568142, 55506448, 97136284, 194272568, 388545136]

約数ペア:

[(1, 388545136), (2, 194272568), (4, 97136284), (7, 55506448), (8, 48568142), (14, 27753224), (16, 24284071), (19, 20449744), (28, 13876612), (38, 10224872), (56, 6938306), (76, 5112436), (112, 3469153), (133, 2921392), (152, 2556218), (266, 1460696), (304, 1278109), (532, 730348), (1064, 365174), (2128, 182587)]