208032748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1871}}^1$

素因数の和:1931

約数の個数: 72

約数和(自身を含む): 479291904

約数和(自身を除く): 271259156

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 361, 418, 532, 722, 836, 1444, 1463, 1871, 2527, 2926, 3742, 3971, 5054, 5852, 7484, 7942, 10108, 13097, 15884, 20581, 26194, 27797, 35549, 41162, 52388, 55594, 71098, 82324, 111188, 142196, 144067, 248843, 288134, 391039, 497686, 576268, 675431, 782078, 995372, 1350862, 1564156, 2701724, 2737273, 4728017, 5474546, 7429741, 9456034, 10949092, 14859482, 18912068, 29718964, 52008187, 104016374, 208032748]

約数ペア:

[(1, 208032748), (2, 104016374), (4, 52008187), (7, 29718964), (11, 18912068), (14, 14859482), (19, 10949092), (22, 9456034), (28, 7429741), (38, 5474546), (44, 4728017), (76, 2737273), (77, 2701724), (133, 1564156), (154, 1350862), (209, 995372), (266, 782078), (308, 675431), (361, 576268), (418, 497686), (532, 391039), (722, 288134), (836, 248843), (1444, 144067), (1463, 142196), (1871, 111188), (2527, 82324), (2926, 71098), (3742, 55594), (3971, 52388), (5054, 41162), (5852, 35549), (7484, 27797), (7942, 26194), (10108, 20581), (13097, 15884)]