218793512

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{205633}}^1$

素因数の和:205665

約数の個数: 32

約数和(自身を含む): 493521600

約数和(自身を除く): 274728088

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 205633, 411266, 822532, 1439431, 1645064, 2878862, 3907027, 5757724, 7814054, 11515448, 15628108, 27349189, 31256216, 54698378, 109396756, 218793512]

約数ペア:

[(1, 218793512), (2, 109396756), (4, 54698378), (7, 31256216), (8, 27349189), (14, 15628108), (19, 11515448), (28, 7814054), (38, 5757724), (56, 3907027), (76, 2878862), (133, 1645064), (152, 1439431), (266, 822532), (532, 411266), (1064, 205633)]