216644764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{21433}}^1$

素因数の和:21482

約数の個数: 36

約数和(自身を含む): 457315824

約数和(自身を除く): 240671060

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 21433, 42866, 85732, 150031, 300062, 407227, 600124, 814454, 1628908, 2850589, 5701178, 7737313, 11402356, 15474626, 30949252, 54161191, 108322382, 216644764]

約数ペア:

[(1, 216644764), (2, 108322382), (4, 54161191), (7, 30949252), (14, 15474626), (19, 11402356), (28, 7737313), (38, 5701178), (76, 2850589), (133, 1628908), (266, 814454), (361, 600124), (532, 407227), (722, 300062), (1444, 150031), (2527, 85732), (5054, 42866), (10108, 21433)]